Describe external structure of heart.
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RIGHT VENTRICLE- Right ventricle is a chamber that pumps blood to the lung to pick up oxygen and release carbon-dioxyde. LEFT ATRIUM- Left atrium is a chamber that is used to carry oxygenated blood to the left ventricle. LEFT VENTRICLE - Left ventricle is a chamber used to pump oxygenated blood to the whole body.
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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 assists in the removal of metabolic wastes. In humans, the heartis located between the lungs, in the middle compartment of the chest.
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