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A member asked:

How strong is the heart?it doesn't get fatigued or tired of pumping. it never catches a break. how can it withstand this?

A doctor has provided 1 answer
Dr. Sergio Schabelman answered

Specializes in Cardiology

Very strong muscle: and a wonderfully efficient pump. It gets Oxygen and nutrition through the coronary arteries and if you think about it in an average, will beat 32 million times in a year!!! (that is over 2.5 billion times in someone 80 years old!!!) It works great but you have to take care of it!!!

Answered 12/3/2014

3.5k views

Thank

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