26 Fascinating Facts about the Heart

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The heart is a muscular organ. It is fist-sized. It is a vital organ of the circulatory system. It pumps the blood in the body. The heart is made up of different parts like the atria, ventricle, valves, various, arteries, and veins.

26 Fascinating Facts about the Heart

1. Size

The size of the heart is near the fist of an adult. It is 12 cm in length, 8.5 cm in width, and 6 cm in thickness.

2. Weight

The weight of the average human heart is less than a pound in that also men’s hearts are two ounces heavier than women’s. Men’s heart weight is 280-340 g and women’s heart is 230- 280 gm.

3. Heart pump work

An average human heart beats almost 100,000 times a day. Heartbeat means it expands and contracts and it pumps almost 2000 gallons of blood.

4. Cardiac conduction system

In the heart’s well there is a network of specialized muscle cells. These cells send the signal to all the heart muscles causing contraction. The cardiac conduction system is a group of muscle cells.

5. Heartbeat after disconnected

It is a very interesting fact that our heart can beat after it is detached from the body and it can beat until it gets the oxygen because it has its own electrical system.

6. Open heart surgery

In 1893, Daniel Hale Williams was one of the few black cardiologists at that time in the United States who had performed open heart surgery for the first time.

7. Pacemaker

In 1958, the first time an implantable pacemaker was used Arne Larsson he had lived more than the doctor who had done the implantation of the pacemaker and he died at the age of 86 and he didn’t die because of heart disease.

8. The youngest person to receive the heart surgery

the youngest person to receive the heart surgery was only one minute old. She was born with a heart defect that many babies with this defect can’t survive. But afterwards, she needed a heart transplant.

9. Small heart

The fairy fly is the one which has the smallest heart than any living thing. Fairy flies are a kind of wasp.

10. Fastest heartbeat

The American pygmy shrew is the smallest mammal but it has the fastest heartbeat it’s heartbeat up to 1200 beats per minute.

11. Largest heart

Whales are the mammals that have the largest hearts. Its weight is up to 1500 pounds.

12. Lopsided heart

Giraffe has a lopsided heart. It means they have a heart with their left ventricle thicker than the right ventricular and because of this, the left side has to get blood up the giraffe’s long neck to reach their brain.

13. Heartbeats

In women’s heartbeat is faster than the men’s heart beat.

14. Sound

The sound we experience of a heartbeat is caused due to the closing and opening of heart valves which is known as contraction and relaxation.

15. Broken heart syndrome

yes, it is possible to have broken heart syndrome which has similar symptoms as a heart attack. Broken heart syndrome is caused due to a rush of stress hormones by physical or mental stress events. And it can cause death but it is very rare.

16. Blood vessels

If we stretch the blood vessels it will extend up to 60,000 miles.

17. Heart cells

Unlike other cells heart cells stop dividing it means there are very less chances of heart cancer.

18. Healthy heart

Laughing is one of the exercises which helps to keep your heart healthy as laughing reduces stress and it helps to keep heart healthy and boosts the immune system.

19. Iconic heart shape

As we all know the symbol of the heart is not the actual shape of the heart it came from the silphium plant.

20. Size of heart valves

The size of a normal heart valve is about half of a dollar.

21. Celebrities who had open heart surgery

Many celebrities had open heart surgery like Bill Clinton, Barbara Walters, Jeff Green, David Letterman, and Shaun white.

22. How to keep your heart healthy

It is not a difficult task. We can keep our heart healthy just by taking a healthy diet, regular exercise, and managing stress.

23. Heart is a coordinate machine

Yes, our heart is a coordinate machine as the right side pumps the blood into the lungs where our blood gets purified and then the left side pumps the purified blood into the body.

24. Blood supply

Our heart supplies blood to all the cells of the body except the corneas.

25. Blood pumped in each beat

In each beat a normal heart pumps up to 4 spoons of blood.

26. Inheritance

Many heart problems are inherited but we can avoid them just by managing smoking, high blood pressure, and cholesterol.


The heart is one of the most important organs of our body. It is necessary to keep healthy. And it is very easy to keep our heart healthy and fine.

Read also10 Facts about Anil Kapoor

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