The human heart has been pumping blood tirelessly for many years. This incredibly hardy muscle is actually a complex biological ‘motor’ that ensures our existence. It must be treated with care - it is easy to damage your health, but it is much more difficult to correct it later.
Facts about the human heart
On average, men have a slightly larger heart than women. The male heart weighs about 310 grams, while the female heart weighs 240 grams.
Heart cells cannot regenerate, i.e. the muscle tissue of the heart cannot be repaired after damage.
About 5% of the blood in our body goes to keep the heart itself working.
When we sneeze, the heart stops for a while. This is clearly visible on medical devices.
The heart muscle supplies blood to all our organs except the corneas of our eyes. And that's over 80 trillion cells!
The human heart has four chambers, but the cockroach has 13. It was the cockroach heart that formed the basis for the creation of a new prototype of an artificial heart for humans.
The human heart ejects an average of 60 milliliters of blood per contraction. This amounts to 420 milliliters per minute, more than 25 liters per hour, 600 liters per day, more than 200 thousand liters per year.
On average, the human heart is 12.7 centimeters long and 7.5 centimeters wide.
More people have died from heart disease in the history of mankind than from all wars.
The heart has its own electrical impulses, and it can beat even outside the body. However, only if it has a sufficient supply of oxygen.
At the moment of highest tension, the heart rate can reach 200-250 beats per minute. During a minute working in this mode, the heart muscle is able to pass through the circulatory system more than 40 liters of blood.
Interesting research scientists conducted in his time over Andrei Novikov, a participant in a hundred-kilometer ski race. They calculated that for 6 hours and 22 minutes spent on the competition, his heart pumped about 35 thousand liters of blood, i.e. the amount sufficient to fill a railway tank.
The heart rate of a fetus is twice that of an adult, about 150 beats per minute. By the time a fetus reaches 12 weeks of age, its heart pumps more than 60 liters of blood per day.
In 10 minutes, this organ does enough work to lift a 65-kilogram person to a height of 10 meters.
In a day, the heart produces enough energy on average to drive a car 32 kilometers. During a person's lifetime, he or she could drive to the Moon and back.
Laughter can speed up the flow of blood through your veins by 20% because it relaxes the walls of the blood vessels.
The ancient Egyptians believed that the heart and other internal organs could be moved around the body through willpower.
