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How are heart work

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How are heart work

    • Posted by Ritesh Yadav 6 years, 10 months ago

    CBSE > Class 07 > Science
    • 1 answers

    Nitin Kumar Jha 6 years, 10 months ago

    Heart is an organ which beat continuously to act as a pump for the transport of blood.Heart located in the chest cavity lower tip slightly tilted toward the left.The heart has four chamber two upper chamber called atria and two lower chamber called ventricle.Partial between the chamber help to avoid the mixing up the blood rich in oxygen with the blood rich in carbon dioxide.

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