describe the structure of heart class 7
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Structure of the Human Heart
The human heart is about the size of a human fist and is divided into four chambers, namely two ventricles and two atria. The ventricles are the chambers that pump blood and atrium are the chambers that receive blood.
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The human heart have four chamber called two ventricles ( left ventricle , right ventricle ) two atria(left atria, right atria). Ventricles are responsible for pumping blood. Atrias are responsible for receiving bloods. Heart is made by a Cardiac muscle tissue. It's only found in heart. That help it to pump continously even when our mind is unconscious.
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