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Paha777 [63]
3 years ago
7

Why does your heart never tire of constantly beating to pump blood thought out your body

Health
1 answer:
Gennadij [26K]3 years ago
5 0
Its a cardiac muscle, which is different from the muscles throughout your body. it has its own mitochondria to keep it beating and never running out of energy, also the heart is constantly receiving nutrients that help and aid in the constant supply of energy. it is not supposed to get fatigue like other muscles
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