Facts about the human heart




1. Heart average adult makes about 72 beats per minute; 100 thousand. - Per day; 36, 5 million - a year; 2, 5 billion - in their lifetime. 2. Kitchen Faucet must be fully open for 45 years, to pour the quantity of water equal to the volume of blood pumped per heart human life expectancy. 3. The volume of blood pumped heart can vary in a wide range from 5 to 30 liters per minute. 4. Every day the heart produces as much energy as you need a car to travel 32 km. The amount of such energy over a lifetime is equivalent to that which is necessary to the car to go to the moon and back. 5. As the heart produces its own electric pulses, it can continue to operate even if separated from the body, as long as there is sufficient oxygen to obtain. 6. The heart begins to beat in four weeks after conception, and does not stop until his death. 7. The heart rate (pulse), the fetus is about 2 times greater than in adult (140 bpm). By the time a fetal age of 12 weeks, his heart has to pump 28 liters of blood per day. 8. A newborn baby has about one cup of blood. 9. The heart provides the blood of almost all 75 trillion cells. Blood supply is absent only in the cornea. 10. For life expectancy heart pumps about 5 to 7 million liters of blood.


11. The distribution of blood in the body is as follows: 5% is in the heart; 15-20% goes to the brain and central nervous system; 22% goes to the kidney. 12. heartbeat occurs when the heart valves slam. 13. When the body is at rest, the blood must be: only 6 seconds. to walk from the heart to the lungs and back; only 8 seconds. in order to get to the brain, and vice versa; 16 sec. in order to achieve and go fingers. 14. The ancient Egyptians believed that the heart and other major organs can be on their own to move inside the body. 15. Plato believed that thinking originates in the brain, and passion - in the heart (meaning body). 16. French physician René Laennec (1781--1826 years.) Invented the stethoscope when he felt pressed his ear to the chest of patients with oversized bust uncomfortable. 17. Doctor Erasistratus of Chios (304--250 years. BC. E.) Was the first to suggest that the heart functions as a pump. 18. Galen argued that the heart makes the blood itself. However, William Harvey's discovery of the circulatory system in 1616 showed that in the body there is a limited amount of blood, and it moves in a circle. 19. cocaine affects the electrical activity of the heart, causing a spasm of the arteries, which can lead to heart attack or stroke, even in healthy people. 20. A woman's heart beats faster than usual male: male makes about 70 beats per minute, and women - 78. See also: American Craig Lewis have no heart. 26 facts about the human body.

Source: mirfactov.com/

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