The human heart has been pumping blood tirelessly for many years. This incredibly hardy muscle is a complex biological “motor” that ensures our existence. You need to treat it carefully – it is easy to harm your health, but it is much more difficult to correct it later. Important facts about the human heart and its functions
Interesting facts about Human Heart, Functions :
- On average, men have a slightly larger heart than women. The male heart weighs about 310 grams, and the female heart weighs 240 grams.
- Heart cells cannot regenerate, that is, the muscle tissue of the heart cannot be restored after damage.
- About 5% of the blood in our body goes to maintain the work of the heart itself.
- When we sneeze, the heart stops for a while. This is visible on medical devices.
- The heart muscle supplies blood to all our organs, except the cornea of the eyes. And this is more than 80 trillion cells!
- There are 4 chambers in the human heart, and 13 in the cockroach. It was the heart of the cockroach that formed the basis for creating a new prototype of an artificial heart for a person.
- For one contraction, the human heart throws out an average of 60 milliliters of blood. This is 420 milliliters per minute, more than 25 liters per hour, 600 liters per day, more than 200 thousand liters per year.
- On average, the length of the human heart is 12.7 centimeters, the width is 7.5 centimeters.
- More people have died from heart diseases in the entire history of mankind than from all wars.
- The heart has its electrical impulses, and it can beat even outside the body.
- However, only if he has a sufficient supply of oxygen.
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- At the moment of the highest voltage, the heart rate can reach up to 200-250 beats per minute. Within a minute, the heart muscle working in this mode can pass more than 40 liters of blood through the circulatory system.
- Scientists conducted interesting studies on Andrey Novikov, a participant of a hundred-kilometer ski race, at one time. They estimated that during the 6 hours and 22 minutes spent on the competition, his heart pumped about 35 thousand liters of blood, that is, the amount sufficient to fill a railway tank.
- The fetal heart rate is 2 times higher than that of an adult, approximately 150 beats per minute. By the time the fetus reaches the age of 12 weeks, its heart pumps more than 60 liters of blood per day.
- In 10 minutes, this body performs enough work to lift a 65-kilogram person to a height of 10 meters.
- In a day, the heart produces an average amount of energy sufficient for a passenger car to travel 32 km. During the life of a person, he could travel to the moon and back.
- Laughter can speed up the flow of blood through your veins by 20%, as it relaxes the walls of blood vessels.
- There are moments of respite in the work of the heart – then it is “silent” between contractions. During the life of the heart, it” rests ” for about two decades.
- The world’s first donor heart transplant operation was performed in South Africa in 1967. It was successful, but the patient lived only 18 days after it.
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- An ordinary person has a pulse of about 70 beats per minute during the rest period, while an athlete in a normal state has 42 beats per minute.
- In extremely rare cases, there is an anomaly-a second heart. But this is by no means luck since the second heart muscle is usually not fully developed. At the same time, if at least one of the hearts stops, the person will inevitably die.
- Women usually have a faster heart rate than men. However, not much, about 10-12%.
- The ancient Roman physician Galen claimed that the heart produces blood. And only in 1616, the Irish biologist William Harvey proves that there is a limited amount of blood in the body and it moves in a circle.
- The heart is located not exactly in the left part of the chest, but almost between the lungs, that is, closer to the center. However, it is still closer to our left side than to the right.
Aww facts about Human Heart and Function :
- The average person’s heart beats at a frequency of 72 beats per minute. Thus, over 65 years of life, the heart can contract 2.5 billion times.
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Conclusion :
All know the Heart is the Word we use to mention the importance of any living in the world. Likewise, we need to know the pure importance of its health.
Hope you have enjoyed the facts, functions, and structure of a Human Heart.
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