Heart is an organ in humans and many other well developed animals that pumps blood in the body for circulating it in all parts of the body. It is actually a pair of two pumps incorporated in large, hollow muscular organ.T
Veins carries blood from throughout the body to the heart and empties it in the right-sided pump. The heart then pumps this blood to the lungs. In the lungs the blood picks up oxygen and releases carbon dioxide collected from the body. This purified and oxygen rich blood then flows to the left side of the heart, Now the heart pumps this blood through arteries to the rest of the body.
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