Facts About Heart

Table of Contents


The heart is the most important component of the cardiovascular system and the hardest working muscle in our body. The structure of the human heart comprises four chambers i.e., two atria, and two ventricles. The primary function of the heart is to circulate oxygen-rich blood to all parts of our body.

We all are probably familiar with the structure and functions of the heart. There are a few exciting and amazing human heart facts, which we are not aware of. Let us know some of them:

Interesting Facts about the Heart

Facts About Heart

Fact – NO -1

A human heart beats about 1,15,000 times each day and pumps about 2,000 gallons of blood every day. The average size of an adult heart is the size of our two hands clasped together and a child’s heart is about the size of a fist.

Fact – NO -2

On average, our heart beats 70 to 72 times per minute, 100,000 times per day, 3,600,000 times per year, and 2.5 billion times in a complete lifetime.

Fact – NO -3

According to the records, the symptoms of cardiac diseases and heart attack vary between men and women. The reason behind these may be the risk factors.

Fact – NO -4

A woman’s heart pumps faster than a man’s, and women are more prone to cardiac diseases.

Fact – NO -5

Researchers have found evidence that heart diseases are 3,000 years old and were found in Egyptian mummies.

Fact – NO -6

Heart cancer is very rare compared to other cancer because the heart cells stop dividing at an early age.

Fact – NO -7

The right side of our heart, pumps deoxygenated blood into our lungs and the left side of our heart pumps oxygenated or oxygen-rich blood from our lungs to different parts of our body.

Fact – NO -8

The heartbeat which we all can hear is caused by the opening and closing of the heart valves.

Fact – NO -9

The heart rate usually decreases when we are sleeping, which varies between 40 to 60 bpm – beats per minute. This is mainly because of the slow body’s metabolism.

Fact – NO -10

During stress, a women’s heart pumps more blood and her pulse rate increases. In the case of a man, the arteries of his heart contract, raising his blood pressure.

Fact – NO -11

As the heart has its own electrical system, it helps in controlling the rhythm of our heart and beating even after separation from the body, with sufficient oxygen supply.

Fact – NO -12

In the entire animal kingdom, whales are the mammal with the largest heart weighing about 180 tonnes and about 30 m its length.

Fact – NO -13

Eating dark chocolate every day and maintaining a balanced diet and a healthy lifestyle can reduce the risk of heart disease by one-third.

Fact – NO -14

The heart pumps blood through its arterial system to almost all the seventy-five trillion cells. The cornea, the transparent front part of the eye is the only part in the entire human body with no blood supply.

Fact – NO -15

On average, the human heart pumps around 1.5 million barrels of blood during its lifetime which is enough to fill about 200 train tank cars.

These were a few interesting facts about the Heart. For more facts and other additional information about the human heart and circulatory system, check the links given below.

Human Heart Heart Attack Symptoms
Human Circulatory System Heart – Pump Of The Circulatory System
Test your Knowledge on Heart!


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