what is heart ..............
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Heya❤
Heart:
☆ A hollow muscular organ that pumps the blood through the circulatory system by rhythmic contraction and dilation.
☆ In vertebrates there may be up to four chambers (as in humans), with two atria and two ventricles.
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The heart is a muscular organ in most animals, which pumps blood through the blood vessels of the circulatory system. Blood provides the body with oxygen and nutrients, as well as assisting in the removal of metabolic wastes. In humans, the heart is located between the lungs, in the middle compartment of the chest.
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