Why does your heart never tire of constantly beating to pump blood throughout your body?
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Our heart does not get tired while it is pumping in our body because it is a pumper of the body
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Cardiac muscle resists fatigue so well because it's got more mitochondria than skeletal muscle. With so many power plants at its disposal, the heart doesn't need to stop and chill out. It also has a steady supply of blood bringing it oxygen and nutrients.
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