35+ Mind-blowing Facts About Heart

The heart is one of the most important organs for many animals. The heart is an interesting organ. The main role of a heart is to pump blood through the body. The heart is made with a special muscle. It is the center of the circulatory system. Most of the animals with heart grow their heart at the fetus stage of their life.

Our heart has many facts unknown to us. Many animals have different types of hearts. There are a lot of things to know about hearts. Many astonishing heart facts can blow your mind. Here are some.

The oldest animal with heart and blood vessels lived on the surface of the earth around 520 million years ago. The Fuxianhuia Protensa, a 4 cm long arthropod, is the oldest fossil of any animal found with a circulatory system.

The pygmy shrew has the fastest heartbeat in mammals in normal conditions. The heart of a pygmy shrew beats 1,200 times every minute.

The heart of a blue whale beats only 4-8 times every minute. At highest it can reach 20-35 beats.

The larger the animal the slower the heartbeats and the smaller the animal the fast the heartbeats.

Blue whale has the largest heart. A blue whale heart measures up to 400 pounds.

Alpatus Magnimius has the smallest heart. It's a type of fruit fly and its heart is only .21mm long.

Zebrafish has a unique capability of regenerating it's damaged cardiac tissue.

Heart is made with a tissue called the cardiac tissue.

Octopus has three hearts. One to pump blood in the head and the other two for pumping blood in its arms.

Earthworm has four hearts and the hagfish has five hearts.

Almost all animal heart has four chambers.

Unlike many other animals frog has a three-chambered heart.

Many animals like the seal can lower it's heart rate up to 80% while they dive.

Studies suggest that horses can mimic the human heart rate.

An woman's heart rate is faster than a man's heart rate.

The opening and closing of the cardiac valves cause the rhythm of the heart.

An electric system controls the heartbeat.

Average human heart beats 1,00,000 times per day.

On an average day, the human heart pumps 2,000 gallons of blood.

Though in popular culture heart is associated with love no one knows why. It is believed that ancient assumptions of such kind made their way in later thoughts.

Cardiac muscles are one of the strongest muscle of all muscles. It is two times stronger than the leg muscles.

The size of the human heart is about the size of two hands collapsed together.

The average human heart pumps up to 1 million barrels of blood in a lifetime.

Dogs have an egg-shaped heart.

Hummingbirds heart can beat up to 21 times every second.

A human heart can beat up to several minutes out of the body.

In the average lifetime, the heart will beat 2.5 billion times on average.

A cockroach has 12 to 13 chambers in its heart.

Marmalade hoverflies heart pumps the blood in a single track to its head and thorax.

Ocellated Icefish has heart, five times stronger than any other fish. And they have clear blood.

Cuttlefish from warmer water has a smaller heart than the cold water cuttlefish.

Bar-headed Goose hearts can beat five-times faster while they are flying.

Emperor Penguins can slower heart rate while underwater. They can lower the heartbeats to 15 times per minute while the regular heartbeat is 60-70 times per minute.

Alaskan Wood Frog can completely stop its heartbeat. And they can be alive in that state even as long as two weeks.

The heart and the entire circulatory system of a glass frog can be seen through its skin.

Heart of a Python can grow 40% of its size after a large meal.

Hearts keep us alive. Every year 29 September is celebrated as Heart Day. We must care for our hearts. The only way to take care of the heart is to live healthily. These are all we have about the heart.