Blood circulation way in human body
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| How the blood flows through heart |
The Path of Blood through the Human Body
When a heart contracts and forces blood into the blood vessels, there is a certain path that the blood follows through the body. The blood moves through pulmonary circulation and then continues on through systemic circulation. Pulmonary and systemic are the two circuits in the two-circuit system of higher animals with closed circulatory systems.
Humans and other mammals have two-circuit circulatory systems: one circuit is for pulmonary circulation (circulation to the lungs; pulmo = lungs), and the other circuit is for systemic circulation
(the rest of the body). As each atrium and ventricle contract, blood is
pumped into certain major blood vessels, and from there, continues
through the circulatory system.
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| The intertwined circulatory system pathways |
Pulmonary circulation
Blood that is lacking oxygen is said to be deoxygenated. This blood has just exchanged oxygen for carbon dioxide across cell membranes, and now contains mostly carbon dioxide. Deoxygenated blood enters the right atrium through the superior vena cava and the inferior vena cava.
Superior means higher, and inferior means lower, so the
superior vena cava is at the top of the right atrium, and the inferior
vena cava enters the bottom of the right atrium.
From the right atrium, the deoxygenated blood drains into the right ventricle through the right atrioventricular (AV) valve, which is so named because it is between the atrium and the ventricle. This valve is also referred to as the tricuspid valve
because it has three flaps in its structure. When the ventricles
contract, the AV valve closes off the opening between the ventricle and
the atrium so that blood does not flow back up into the atrium.As the right ventricle contracts, it forces the deoxygenated blood through the pulmonary semilunar valve and into the pulmonary artery. Semilunar means half-moon and refers to the shape of the valve. Note that this is the only artery in the body that contains deoxygenated blood; all other arteries contain oxygenated blood. The semilunar valve keeps blood from flowing back into the right ventricle once it is in the pulmonary artery.
The pulmonary artery carries the blood that is very low in oxygen to the lungs, where it becomes oxygenated.
Systemic circulation
Freshly oxygenated blood returns to the heart via the pulmonary veins. Note that these are the only veins in the body that contain oxygenated blood; all other veins contain deoxygenated blood.The pulmonary veins enter the left atrium. When the left atrium relaxes, the oxygenated blood drains into the left ventricle through the left AV valve. This valve is also called the bicuspid valve because it has only two flaps in its structure.
Now the heart really squeezes. As the left ventricle contracts, the oxygenated blood is pumped into the main artery of the body — the aorta. To get to the aorta, blood passes through the aortic semilunar valve, which serves to keep blood flowing from the aorta back into the left ventricle.
The aorta branches into other arteries, which then branch into smaller arterioles. The arterioles meet up with capillaries, which are the blood vessels where oxygen is exchanged for carbon dioxide.
Capillary exchange
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| How capillary exchange works. |
To maintain the health of cells, it is also necessary for the capillaries to transport wastes and carbon dioxide to places in the body that can dispose of them. The waste products enter near the venous end of the capillary. Water diffuses in and out of capillaries to maintain blood volume, which adjusts to achieve homeostasis.
Capillaries are only as thick as one cell, so the contents within the cells of the capillaries can easily pass out of the capillary by diffusing through the capillary membrane. And, because the capillary membrane abuts the membrane of other cells all over the body, the capillary’s contents can easily continue through the abutting cell’s membrane and get inside the adjoining cell.
The process of capillary exchange is how oxygen leaves red blood cells in the bloodstream and gets into all the other cells of the body. Capillary exchange also allows nutrients to diffuse out of the bloodstream and into other cells. At the same time, the other cells expel waste products that then enter the capillaries, and carbon dioxide diffuses out of the body’s cells and into the capillaries.
After the capillaries “pick up” the garbage from other cells, the capillaries carry the wastes and carbon dioxide through the deoxygenated blood to the smallest of the veins, which are called venules. The venules branch into bigger vessels called veins. The veins then carry the deoxygenated blood toward the main vein, which is the vena cava. The two branches of the vena cava enter the right atrium, which is where pulmonary circulation begins.
Christopher Marlowe
A warrant was issued for Marlowe's arrest on 18 May 1593. No reason was given for it, though it was thought to be connected to allegations of blasphemy—a manuscript believed to have been written by Marlowe was said to contain "vile heretical conceipts". On 20 May he was brought to the court to attend upon the Privy Council for questioning. There is no record of their having met that day, however, and he was commanded to attend upon them each day thereafter until "licensed to the contrary." Ten days later, he was stabbed to death by Ingram Frizer. Whether the stabbing was connected to his arrest has never been resolved.
Works
Plays
- Dido, Queen of Carthage (c.1586) (possibly co-written with Thomas Nashe)
- Tamburlaine, part 1 (c.1587)
- Tamburlaine, part 2 (c.1587–1588)
- The Jew of Malta (c.1589)
- Doctor Faustus (c.1589, or, c.1593)
- Edward II (c.1592)
- The Massacre at Paris (c.1593)
Poetry
- Translation of Book One of Lucan's Pharsalia (date unknown)
- Translation of Ovid's Elegies (c. 1580s?)
- "The Passionate Shepherd to His Love" (pre-1593)
- Hero and Leander (c. 1593, unfinished; completed by George Chapman, 1598)
Electrocardiography
Electrocardiography (ECG or EKG from German: Elektrokardiogramm) is a transthoracic (across the thorax or chest) interpretation of the electrical activity of the heart over a period of time, as detected by electrodes attached to the surface of the skin and recorded by a device external to the body. The recording produced by this noninvasive procedure is termed an electrocardiogram (also ECG or EKG).
An ECG is used to measure the rate and regularity of heartbeats, as well as the size and position of the chambers, the presence of any damage to the heart, and the effects of drugs or devices used to regulate the heart, such as a pacemaker.
Most ECGs are performed for diagnostic or research purposes on human hearts, but may also be performed on animals, usually for diagnosis of heart abnormalities or research.
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| A 3 channel china ECG machine |
An ECG is the best way to measure and diagnose abnormal rhythms of the heart, particularly abnormal rhythms caused by damage to the conductive tissue that carries electrical signals, or abnormal rhythms caused by electrolyte imbalances. In a myocardial infarction (MI), the ECG can identify if the heart muscle has been damaged in specific areas, though not all areas of the heart are covered. The ECG cannot reliably measure the pumping ability of the heart, for which ultrasound-based (echocardiography) or nuclear medicine tests are used. It is possible for a human or other animal to be in cardiac arrest, but still have a normal ECG signal (a condition known as pulseless electrical activity).
The ECG device detects and amplifies the tiny electrical changes on the skin that are caused when the heart muscle depolarizes during each heartbeat. At rest, each heart muscle cell has a negative charge, called the membrane potential, across its cell membrane. Decreasing this negative charge towards zero, via the influx of the positive cations, Na+ and Ca++, is called depolarization, which activates the mechanisms in the cell that cause it to contract. During each heartbeat, a healthy heart will have an orderly progression of a wave of depolarisation that is triggered by the cells in the sinoatrial node, spreads out through the atrium, passes through the atrioventricular node and then spreads all over the ventricles. This is detected as tiny rises and falls in the voltage between two electrodes placed either side of the heart which is displayed as a wavy line either on a screen or on paper. This display indicates the overall rhythm of the heart and weaknesses in different parts of the heart muscle.
Usually, more than two electrodes are used, and they can be combined into a number of pairs (For example: left arm (LA), right arm (RA) and left leg (LL) electrodes form the three pairs LA+RA, LA+LL, and RA+LL). The output from each pair is known as a lead. Each lead looks at the heart from a different angle. Different types of ECGs can be referred to by the number of leads that are recorded, for example 3-lead, 5-lead or 12-lead ECGs (sometimes simply "a 12-lead"). A 12-lead ECG is one in which 12 different electrical signals are recorded at approximately the same time and will often be used as a one-off recording of an ECG, traditionally printed out as a paper copy. Three- and 5-lead ECGs tend to be monitored continuously and viewed only on the screen of an appropriate monitoring device, for example during an operation or whilst being transported in an ambulance. There may or may not be any permanent record of a 3- or 5-lead ECG, depending on the equipment used.
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| ECG graph paper |
Snickometre
A Snickometer, commonly known as Snicko, is used in televising cricket to graphically analyse sound and video, and show whether a fine noise, or snick, occurs as ball passes bat. It was invented by English computer scientist Allan Plaskett in the mid-1990s.
If, in the umpire's opinion, this is the case, and the ball was a legal delivery that was caught before touching the ground, then the batsman is given out by the umpire. The umpire does not have the benefit of the Snickometer, and must instead rely on his senses of sight and hearing, as well as his judgement. When the Umpire DRS (Decision Review System) was introduced to Test Cricket, Snicko was not considered accurate enough, and so another edge detecting tool Hot Spot was used.
Channel 4 in the UK and Channel Nine of Australia, amongst others, have used it to help determine if the batsman was out or not.
Bridge to connect the world
Create a bridge between the parts of the world. Educaton will grow faster. Suppose, you live in a village between two large rivers. There is no school in your village. There is no bridge to cross the two rivers. Where the children will go to study? It is only possible when bridges are built on those rivers to connect the outside world. We have to do this same and connect the mind of the people in the various parts of the world.
Ajanta Cave
Ajanta Cave...
The Ajanta Caves (Ajiṇṭhā leni; Marathi: अजिंठा लेणी) in Aurangabad district of Maharashtra, India are about 30 rock-cut Buddhist cave monuments which date from the 2nd century BCE to about 480 or 650 CE. The caves include paintings and sculptures described by the government Archaeological Survey of India as "the finest surviving examples of Indian art, particularly painting", which are masterpieces of Buddhist religious art, with figures of the Buddha and depictions of the Jataka tales. The caves were built in two phases starting around the 2nd century BCE, with the second group of caves built around 400–650 CE according to older accounts, or all in a brief period between 460 to 480 according to the recent proposals of Walter M. Spink. The site is a protected monument in the care of the Archaeological Survey of India, and since 1983, the Ajanta Caves have been a UNESCO World Heritage Site.
Mambalgins from Black Mamba
Mambalgins from Black Mamba...
Mambalgins are peptides found in the venom of the deadly African snake known as Black Mamba (Dendroaspis polylepsis), from the Elapidae family. This peptide toxin was discovered, after a number of experiments carried out with venoms of a wide range of snakes, by a group of researchers of Niza (France), directed by Dr. Silvie Diochot.
This discovery came as a huge surprise to the researchers due to the fact that mambalgins have a potent analgesic effect, which is not typical of such a deadly and dangerous reptile, given that many other snakes instead of omitting pain, produce it in great measure. The name of the peptide was given by the researchers and is a combination between ‘mamba’, which determines the name of the snake, and ‘algin’, which defines its analgesic power.
WHY DO CLOCKS ADS SHOW ALWAYS 10:10 ???
WHY DO CLOCKS ADS SHOW ALWAYS 10:10 ???
Whenever we go to clock stores, we will see these watches or clocks that are always set to 10:10, to think that setting it to other time is not really difficult to do. But of course, we all know that there are good justifications behind this puzzle. So why do clocks show 10:10?
Many speculations aroused about clocks in the stores set on 10:10 time, where in one hand of the clock points to number 10 and the other one is pointing to number 2. The reasons below are just theories but makes a lot of sense.
1.) Clock and watch makers normally if not always, put their logo under the number 12. So placing the hands of the clock to 10 and 2, helps to frame and show the logo.
2.) When we look at the clock and it shows t 10:10, it makes a resemblance to a smiley face. It is better to see it that way, because it can produce a positive vibes at the store and will then increase the sales of the clocks and watches.
3.) Many claim that Abraham Lincoln has a great influence on this because he died at 10:10 pm. But, facts say that he was shot at 10:15 night and died the next morning.
4.) When the hands of the clocks are place at 10:10, the other details are clearly visible as compared to placing it on other numbers. Take note that they don’t place the hands of the clock on one number because both hands of the clock must be visible.
5.) They say that clocks set on 10:10 time looks more symmetrical, therefore it is better for advertisement.
There are other theories as to why these clocks and watches are set to 10:10 time prior buying it, but there are other important details you need to consider while buying a watch. So don’t dwell too much on the time display, what’s important is the clock is good quality and functioning well for long term use.
Mahen-jo-daro civilization
Ruins of Mahen-jo-daro civilization...
Mohenjo-daro is an archeological site in the province of Sindh, Pakistan. Built around 2600 BCE, it was one of the largest settlements of the ancient Indus Valley Civilization , and one of the world's earliest major urban settlements, existing at the same time as the civilizations
of ancient Egypt, Mesopotamia, and Crete. Mohenjo-daro was abandoned in the 19th
century BCE, and was not rediscovered until
1922. Significant excavation has since been
conducted at the site of the city, which was
designated a UNESCO World Heritage Site in 1980. However, the site is currently threatened by erosion and improper restoration.
Sarojini Naidu
Sarojini Naidu (born on 13 February, 1879), also known by the sobriquet The Nightingale of India, was a child prodigy, Indian independence activist and poet. Naidu was one of the framers of the Indian Constitution. Naidu is the second Indian woman to become the President of the Indian National Congress and the first woman to become the Governor of Uttar Pradesh state. Her birthday is celebrated as Women's Day all over India.
Hideki Tojo
Hideki Tojo...
Hideki Tōjō (30 December 1884 – 23 December 1948) was a general of the Imperial Japanese Army (IJA), the leader of the Taisei Yokusankai, and the 40th Prime Minister of Japan during most of World War II, from 17 October 1941 to 22 July 1944. As Prime Minister, it is alleged that he was directly responsible for the attack on Pearl Harbor, which led to the war between Japan and the United States, although planning for it had begun before he entered office. After the end of the war, Tōjō was arrested, sentenced to death for Japanese war crimes by the International Military Tribunal for the Far East, and was hanged on 23 December 1948.
from-wikipedia.
Old Faithful Geyser
Old Faithful Geyser, Yellowstone Park, USA.
A geyser is a spring characterized by intermittent discharge of water ejected turbulently and accompanied by a vapour phase (steam). The word geyser comes from Geysir, the name of an erupting spring at Haukadalur, Iceland; that name, in turn, comes from the Icelandic verb geysa, "to gush", the verb itself from Old Norse.
The formation of geysers is due to particular hydrogeological conditions, which exist in only a few places on Earth, so they are a fairly rare phenomenon. Generally all geyser field sites are located near active volcanic areas, and the geyser effect is due to the proximity of magma. Generally, surface water works its way down to an average depth of around 2,000 metres (6,600 ft) where it contacts hot rocks. The resultant boiling of the pressurized water results in the geyser effect of hot water and steam spraying out of the geyser's surface vent (a hydrothermal explosion).
Old Faithful is a cone geyser located in Wyoming, in Yellowstone National Park in the United States. Old Faithful was named in 1870 during the Washburn-Langford-Doane Expedition and was the first geyser in the park to receive a name. It is also called the most predictable geographical feature on Earth erupting almost every 91 minutes. The geyser, as well as the nearby Old Faithful Inn, is part of the Old Faithful Historic District.
The Encyclopædia Britannica
The Encyclopædia Britannica (Latin for "British Encyclopaedia"), published by Encyclopædia Britannica, Inc., is a general knowledge English-language encyclopaedia. It is written and continuously updated by about 100 full-time editors and more than 4,000 contributors, who have included 110 Nobel Prize winners and five American presidents. It is regarded as one of the most scholarly of English language encyclopaedias.
The Britannica is the oldest English-language encyclopaedia still being produced. It was first published between 1768 and 1771 in Edinburgh, Scotland as three volumes. The encyclopaedia grew in size: the second edition was 10 volumes, and by its fourth edition (1801–1810) it had expanded to 20 volumes. Its rising stature as a scholarly work helped recruit eminent contributors, and the 9th (1875–1889) and 11th editions (1911) are landmark encyclopaedias for scholarship and literary style. Beginning with the 11th edition and its acquisition by an American firm, the Britannica shortened and simplified articles to broaden its appeal in the North American market. In 1933, the Britannica became the first encyclopaedia to adopt "continuous revision", in which the encyclopaedia is continually reprinted and every article updated on a schedule. In March 2012, Encyclopædia Britannica, Inc. announced it would no longer continue to publish its printed editions, instead focusing on its online version, Encyclopædia Britannica Online. Its final print edition was in 2010, a 32-volume set.
Gorilla glass
Gorilla Glass is the trademark for an alkali-aluminosilicate sheet glass manufactured by U.S. glassmaker Corning. Engineered for a combination of thinness, lightness, and damage-resistance, it is used primarily as the cover glass for portable electronic devices including mobile phones, portable media players, laptop computer displays, and some television screens.
The manufacturer says the material's primary properties are its strength (allowing thin glass without fragility), its high scratch resistance (for protective coating), and its hardness (with a Vickers hardness test rating of 622 to 701) — and that the material can be recycled.
Gorilla Glass by 2010 had been used in approximately 20 percent of mobile handsets worldwide, about 200 million units. The second generation, called "Gorilla Glass 2", was introduced in 2012. On October 24, 2012, Corning announced that over one billion mobile devices used Gorilla Glass.
Telephone
A
telephone, or phone, is a telecommunications device that converts sound
into electronic signals suitable for transmission via cables or other
transmission media over long distances. First patented in 1876 by
Alexander Graham Bell and further developed by many others, the
telephone was the first device in human history that enabled people to
talk directly with each other across large distances. It
rapidly became indispensable to businesses, government, and households,
and it is now among the most widely used appliances in the developed
world. The word telephone has been adapted into the vocabulary of many
languages. It is derived from the Greek: τῆλε, tēle, far and φωνή,
phōnē, voice, together meaning distant voice.
Machu Picchu
Machu Picchu is a 15th-century Inca site located 2,430 metres (7,970 ft) above sea level. Machu Picchu is located in the Cusco Region of Peru, South America. It is situated on a mountain ridge above the Urubamba Valley in Peru, which is 80 kilometres (50 mi) northwest of Cusco and through which the Urubamba River flows. Most archaeologists believe that Machu Picchu was built as an estate for the Inca emperor Pachacuti (1438–1472). Often referred to as the "City of the Incas", it is perhaps the most familiar icon of Inca civilization.
The Incas built the estate around 1450, but abandoned it as an official site for the Inca rulers a century later at the time of the Spanish Conquest. Although known locally, it was unknown to the outside world before being brought to international attention in 1911 by the American historian Hiram Bingham. Since then, Machu Picchu has become an important tourist attraction. Most of the outlying buildings have been reconstructed in order to give tourists a better idea of what the structures originally looked like. By 1976, thirty percent of Machu Picchu had been restored. The restoration work continues to this day.
Since the site was never known to the Spanish during their conquest, it is highly significant as a relatively intact cultural site. Machu Picchu was declared a Peruvian Historical Sanctuary in 1981 and a UNESCO World Heritage Site in 1983. In 2007, Machu Picchu was voted one of the New Seven Wonders of the World in a worldwide Internet poll.
Machu Picchu was built in the classical Inca style, with polished dry-stone walls. Its three primary structures are the Intihuatana (Hitching post of the Sun), the Temple of the Sun, and the Room of the Three Windows. These are located in what is known by archaeologists as the Sacred District of Machu Picchu. In September 2007, Peru and Yale University almost reached an agreement regarding the return of artifacts which Yale has held since Hiram Bingham removed them from Machu Picchu in the early 20th century. In November 2010, a Yale University representative agreed to return the artifacts to a Peruvian university.
Steve Irwin
Stephen Robert "Steve" Irwin (22 February 1962 – 4 September 2006), nicknamed "The Crocodile Hunter", was an Australian wildlife expert, television personality, and conservationist. Irwin achieved worldwide fame from the television series The Crocodile Hunter, an internationally broadcast wildlife documentary series which he co-hosted with his wife Terri. Together, the couple also owned and operated Australia Zoo, founded by Irwin's parents in Beerwah, about 80 kilometres (50 mi) north of the Queensland state capital city of Brisbane. Irwin died on 4 September 2006 after being pierced in the chest by a stingray barb while filming an underwater documentary film titled Ocean's Deadliest. The Sea Shepherd Conservation Society ship MY Steve Irwin was named in his honour.
for more : we refer to http://en.wikipedia.org/wiki/Steve_Irwin
Yoga benefits
source: http://
Yoga Benefits
The most important benefit of yoga is physical and mental therapy. The aging process, which is largely an artificial condition, caused mainly by autointoxication or self-poisoning, can be slowed down by practicing yoga. By keeping the body clean, flexible and well lubricated, we can significantly reduce the catabolic process of cell deterioration. To get the maximum benefits of yoga one has to combine the practices of yogasanas, pranayama and meditation.
Regular practice of asanas, pranayama and meditation can help such diverse ailments such as diabetes, blood pressure, digestive disorders, arthritis, arteriosclerosis, chronic fatigue, asthma, varicose veins and heart conditions. Laboratory tests have proved the yogi's increased abilities of consciously controlling autonomic or involuntary functions, such as temperature, heartbeat and blood pressure. Research into the effects of yogic practices on HIV is currently underway with promising results.
According to medical scientists, yoga therapy is successful because of the balance created in the nervous and endocrine systems which directly influences all the other systems and organs of the body. Yoga acts both as a curative and preventive therapy. The very essence of yoga lies in attaining mental peace, improved concentration powers, a relaxed state of living and harmony in relationships.
Through the practice of yoga, we become aware of the interconnectedness between our emotional, mental and physical levels. Gradually this awareness leads to an understanding of the more subtle areas of existence. The ultimate goal of yoga is to make it possible for you to be able to fuse together the gross material (annamaya), physical (pranamaya), mental (manomaya), intellectual (vijnanamaya) and spiritual (anandamaya) levels within your being.
1.Physiological Benefits
Physicians and scientists are discovering brand new health benefits of yoga everyday. Studies show it can relieve the symptoms of several common and potentially life-threatening illnesses such as arthritis, arteriosclerosis, chronic fatigue, diabetes, AIDS, asthma and obesity.
Asthma
Studies conducted at yoga institutions in India have reported impressive success in improving asthma. It has also been proved that asthma attacks can usually be prevented by yoga methods without resorting to drugs.
Physicians have found that the addition of improved concentration abilities and yogic meditation together with the practice of simple postures and pranayama makes treatment more effective. Yoga practice also results in greater reduction in anxiety scores than drug therapy. Doctors believe that yoga practice helps patients by enabling them to gain access to their own internal experience and increased self-awareness.
Respiration Problems
Patients who practice yoga have a better chance of gaining the ability to control their breathing problems. With the help of yogic breathing exercises, it is possible to control an attack of severe shortness of breath without having to seek medical help. Various studies have confirmed the beneficial effects of yoga for patients with respiratory problems.
High Blood Pressure
The relaxation and exercise components of yoga have a major role to play in the treatment and prevention of high blood pressure (hypertension). A combination of biofeedback and yogic breathing and relaxation techniques has been found to lower blood pressure and reduce the need for high blood pressure medication in people suffering from it.
Pain Management
Yoga is believed to reduce pain by helping the brain's pain center regulate the gate-controlling mechanism located in the spinal cord and the secretion of natural painkillers in the body. Breathing exercises used in yoga can also reduce pain. Because muscles tend to relax when you exhale, lengthening the time of exhalation can help produce relaxation and reduce tension. Awareness of breathing helps to achieve calmer, slower respiration and aid in relaxation and pain management.
Yoga's inclusion of relaxation techniques and meditation can also help reduce pain. Part of the effectiveness of yoga in reducing pain is due to its focus on self-awareness. This self-awareness can have a protective effect and allow for early preventive action.
Back Pain
Back pain is the most common reason to seek medical attention. Yoga has consistently been used to cure and prevent back pain by enhancing strength and flexibility. Both acute and long-term stress can lead to muscle tension and exacerbate back problems.
Arthritis
Yoga's gentle exercises designed to provide relief to needed joints had been Yoga's slow-motion movements and gentle pressures reach deep into troubled joints. In addition, the easy stretches in conjunction with deep breathing exercises relieve the tension that binds up the muscles and further tightens the joints. Yoga is exercise and relaxation rolled into one - the perfect anti-arthritis formula.
Weight Reduction
Regular yoga practice can help in weight management. Firstly, some of the asanas stimulate sluggish glands to increase their hormonal secretions. The thyroid gland, especially, has a big effect on our weight because it affects body metabolism. There are several asanas, such as the shoulder stand and the fish posture, which are specific for the thyroid gland. Fat metabolism is also increased, so fat is converted to muscle and energy. This means that, as well as losing fat, you will have better muscle tone and a higher vitality level.
Yogic practices that reduce anxiety tend to reduce anxious eating.
In addition, yoga deep breathing increases the oxygen intake to the body cells, including the fat cells. This causes increased oxidation or burning up of fat cells. Yogic exercises induce more continuous and deeper breathing which gradually burns, sometimes forcefully, many of the calories already ingested.
2.Psychological Benefits
Regular yoga practice creates mental clarity and calmness, increases body awareness, relieves chronic stress patterns, relaxes the mind, centers attention and sharpens concentration.
Self-Awareness
Yoga strives to increase self-awareness on both a physical and psychological level. Patients who study yoga learn to induce relaxation and then to use the technique whenever pain appears. Practicing yoga can provide chronic pain sufferers with useful tools to actively cope with their pain and help counter feelings of helplessness and depression.
Mental Performance
A common technique used in yoga is breathing through one nostril at a time. Electroencephalogram (EEG) studies of the electrical impulses of the brain have shown that breathing through one nostril results in increased activity on the opposite side of the brain. Some experts suggest that the regular practice of breathing through one nostril may help improve communication between the right and left side of the brain. Studies have also shown that this increased brain activity is associated with better performance and doctors even suggest that yoga can enhance cognitive performance.
Mood Change And Vitality
Mental health and physical energy are difficult to quantify, but virtually everyone who participates in yoga over a period of time reports a positive effect on outlook and energy level. Yogic stretching and breathing exercises have been seen to result in an invigorating effect on both mental and physical energy and improved mood.
3.Spiritual Benefits
When you achieve the yogic spirit, you can begin knowing yourself at peace. The value of discovering one's self and of enjoying one's self as is, begins a journey into being rather than doing. Life can then be lived practicing "yoga off the mat".
Pride
Pride, and especially anxiety about pride, is something which Hatha Yoga seeks to diminish or eliminate. To one who has been dejected because he cannot do his work properly when he becomes tired, irritable, or haggard, any degree of refreshment may be accompanied by additional degrees of self-respect. Furthermore, one who has benefited from yoga may be moved to help his friends who are obviously in need, he may instruct others and be rewarded with appreciation due a to teacher.
But if one succeeds in achieving skill which provides health and self-confidence, one may justly raise his self-esteem simply by observing himself living the improved results as an achieved fact.
Knowledge
Yogic theory and practice lead to increased self-knowledge. This knowledge is not merely that of the practical kind relating to techniques, but especially of a spiritual sort pertaining to grasping something about the nature of the self at rest.
Knowing the self at rest, at peace, as a being rather than merely as an agent or doer, is a genuine kind of knowledge which usually gets lost in the rush of activities and push of desires. The value of discovering one's self and of enjoying one's self as it is, rather than as it is going to be, is indeed a value as well as a kind of knowledge.
Rabindranath Tagore
The
Works of Rabindranath Tagore consist of poems, novels, short stories,
dramas, paintings, drawings, and music that Bengali poet and Brahmo
philosopher Rabindranath Tagore created over his lifetime.Tagore's
literary reputation is disproportionately influenced very much by regard
for his poetry; however, he also wrote novels, essays, short stories,
travelogues, dramas, and thousands of songs. Of Tagore's
prose, his short stories are perhaps most highly regarded; indeed, he
is credited with originating the Bengali-language version of the genre.
His works are frequently noted for their rhythmic, optimistic, and
lyrical nature. However, such stories mostly borrow from deceptively
simple subject matter — the lives of ordinary people.
World's first photograph
Centuries of advances in chemistry and optics, including the invention of the camera obscura, set the stage for the world’s first photograph. In 1826, French scientist Joseph Nicéphore Niépce, took that photograph, titled View from the Window at Le Gras, at his family’s country home. Niépce produced his photo—a view of a courtyard and outbuildings seen from the house’s upstairs window—by exposing a bitumen-coated plate in a camera obscura for several hours on his windowsill.
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