Why don't people's hearts beat more than 2.5 billion times in their lifetime, an average of more than 100,000 times a day?

2021-10-27 18:28:17

The human body's organs are constantly working, and perhaps the most "industrious" organ is the heart, which beats continuously every day to transport blood throughout the body. After research, the average normal person's heart beats at least 2.5 billion times in a lifetime, which means that each heart will beat more than 100,000 times a day. In fact, behind the beating of the heart is the movement of muscles, but the muscles of other parts of the human body obviously cannot carry out such intensity of exercise every day.

Why don't people's hearts beat more than 2.5 billion times in their lifetime, an average of more than 100,000 times a day?

The muscles of the human body can be divided into three types, namely: smooth muscle, skeletal muscle and heart muscle, of which smooth muscle is mainly in other organs of the human body in addition to the heart, the reason why it is called smooth muscle, mainly because its surface is smooth, and there is no other structure. Most of the time they are under the action of the digestive system, acting on the stomach and intestines, peristalsis to help the body digest and control the size of the pupils, and there are about three movements per minute in the stomach.

The main muscles on which the human body moves are skeletal muscles, which have stripes on their surfaces, attached to bones and other connective tissues, and through their expansion and contraction, the human body can be moved, and they are controlled by the brain. Heart muscle refers to the heart muscle, its beating is not controlled by the brain, and has been beating non-stop, compared to the other two muscles, the heart muscle will obviously move longer, but in the supply of sufficient energy, so it will not stop beating.

Compared to the other two muscles, the mitochondria in the heart muscle far exceed the other two muscles, or even reach nearly ten times, and the mitochondria are the energy factories that supply the cells, so the heart receives more energy. Muscle movement is inseparable from blood circulation, muscles need to ensure movement through oxygen, and in the blood circulation of the heart is a very important link, so the oxygen consumption of the heart muscle is much higher than the other two, so it can also beat more powerfully.

When the human body exercises, the heart also beats faster, and the nerve endings on the surface of the heart muscle also secrete adrenaline to promote beating. Although the heart will beat so many times a day, but some diseases can still affect the heart, if the heart has a problem, then the whole person can not exercise vigorously, so in daily life or to protect their heart.

Material source: (Wei Luokopo), only for communication purposes, if there is infringement, please contact by private message.

Why don't people's hearts beat more than 2.5 billion times in their lifetime, an average of more than 100,000 times a day?

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