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Facts About the Heart for Kids Video


                                          Facts about the Heart

The human heart is a big pump made of muscles that constantly keeps pumping blood throughout our body every moment. It is capable of pumping millions of gallons of blood throughout the body in our lifetime. Our veins help the blood to travel to the heart and the arteries help it to travel away from the heart. This organ is located in the middle of our chest and well-protected by our rib cage. It has four chambers. Two of them are atria and other two are ventricles. The heart and blood vessels together are known as the circulatory system.

Quick Facts: –

  • The human heart is about the size of your fist. It weighs around a pound.
  • A heart attack can cause the formation of scar tissue among the normal heart tissues.
  • An average adult has about 4.7 litres of blood in their body.
  • The heart is one of the most powerful organs in our body. It is made of cardiac muscle.
  • In a healthy person, the bone marrow produces approximately 3,000,000 new red blood cells.
  • The human heart beats more than 100,000 times in a day.
  • Blood that exits from the heart is red in colour and full of oxygen. Blood coming to the heart is purplish-blue and has no oxygen.
  • Our heart also has valves in between the chambers. These valves stop blood from flowing the wrong way.
  • The electricity that goes through your heart makes the muscle cells contract.
  • An electrical system called the cardiac conduction system controls the rhythm of your heart.


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Declan, Tobin. " Facts for Kids about the heart ." Easy Science for Kids, Dec 2020. Web. 05 Dec 2020. < >.

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Tobin, Declan. (2020). Facts for Kids about the heart. Easy Science for Kids. Retrieved from

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