say about heart and explain
about there functions
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Heart is an important organ in our body which is just as the shape of our closed fist having its narrow end towards the left side .Its function is to pump the blood i.e, DeOxygenated blood to the lungs and Oxygenated blood to all body parts.
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The heart is a muscular organ about the size of a closed fist that functions as the body’s circulatory pump. It takes in deoxygenated blood through the veins and delivers it to the lungs for oxygenation before pumping it into the various arteries (which provide oxygen and nutrients to body tissues by transporting the blood throughout the body). The heart is located in the thoracic cavity medial to the lungs and posterior to the sternum.
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