It is the central organ of the whole circulatory system. It is a muscle with four chambers, and moves the blood around the body via the arteries, veins and capillaries..
Your… heart is a muscle that pumps blood to all parts of the body. The blood provides your body with the oxygen and nourishment it needs to function. Waste products carried by the blood are removed from the body by the kidneys and lungs. ( Full Answer )