Why does your heart never tire of constantly…

Discussion in 'Health' started by Minhduong, Jul 22, 2021.

  1. Minhduong

    Minhduong New Member

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    Why does your heart never tire of constantly beating to pump blood throughout your body?
     
    Minhduong, Jul 22, 2021
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  2. Ekrbyforny

    Ekrbyforny New Member

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    It consist of cardiac muscle tissues, which means it moves involuntarily. So it doesn't tire. Plus, the body gives the heart proteins to keep it going.
     
    Ekrbyforny, Jul 22, 2021
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