The 25 interesting facts about HEART may not be known to you

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The heart is one of the most important parts of the human body, and is also the most muscular muscle group in the body, able to function throughout life without a moment of rest. Besides, there are many other interesting facts about the heart that you may not know. For example, do you know when a choir chooses to sing, does their heart beat at the same beat? Here are 25 interesting facts about HEART you may not know . Invite you to consult!

25. On average each day, the energy that an adult's heart makes is enough for a truck to run a distance of 32km.

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24. In a lifetime, the above path is equivalent to a round trip to the Moon.

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23. A heart can pump up to 75 trillion cells in the body.

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22. Cornea is the only part of the body that cannot pump blood.

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21. The heart must work the most in all the muscles of the body.

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20. On average, a heart pumps about 1.5 million barrels of blood throughout life, enough to fill 200 train cars.

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19. During embryogenesis, the first heart cell begins to beat from week 4.

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18. Blue whale has the largest heart of all animals, weighs about 680kg.

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17. The more you study, the more knowledge you have, the less likely you are to have cardiovascular diseases.

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16. Heart disease is the biggest threat to health and is a health-related cause for most deaths.

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15. An intact heart was found in a 3,000-year-old Egyptian mummy.

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14. A happy life, low stress, positive exercise and a balanced diet will help you have an extremely healthy heart.

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13. The number of heart attacks often increases dramatically at Christmas, followed by December 26 and the new year ( solar calendar ).

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12. You are also more likely to have a heart attack on Monday morning than any other day of the week.

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11. Human heart valves are about the same size as a 0.5 USD coin.

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10. The first heart attack machines ( cardiogenic shockers ) must be plugged into an electrical outlet. So far, there are only portable and battery-powered cardiac machines.

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9. The heart has its own electrical impulse, so it only needs to supply oxygen when it is outside the body.

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8. In 1929, German surgeon Werner Forssmann examined the inside of his own heart by inserting a catheter into the main vein in his arm. This is the first case using cardiac catheterization technology, which is later widely used to diagnose heart disease.

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7. On December 3, 1967, Dr. Christiaan Barnard conducted the first successful heart transplant in the world, although the patient later only lived for another 18 days.

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6. Try squeezing a tennis ball, it's like the heart has to do every day to pump blood throughout the body.

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5. Women's hearts beat faster than men's hearts.

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4. When we laugh, the amount of blood pumped from the heart increases by about 20% and dilates blood vessels, so laughter works very well with the body.

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3. No one can explain why the heart symbol is attached to love, according to many records its origin comes from Greece.

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2. Heart failure or negative emotions can cause fatal heart attacks, because stress hormones pass into the blood and lead to the heart.

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1. Research has proven: When a choir chooses to sing, their heart will beat at the same beat.

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See also: 26 interesting facts about human psychology you've never known

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