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Anatomy and Physiology: External Structures of the Heart

The human heart is an organ that pumps blood throughout the body through the circulatory system. It supplies oxygen and nutrients to the tissues and removes carbon dioxide and other wastes.
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Superior Vena Cava
transports oxygen-depleted blood from the upper extremities to the right atrium
Inferior Vena Cava
transports oxygen-depleted blood from the lower extremities to the right atrium
Aorta
pumps oxygenated blood from the left ventricle to the rest of the body; body's largest artery
Left pulmonary artery
transports oxygen-depleted blood from the right ventricle to the left lung
Right pulmonary vein
transports oxygenated blood from the right lung to the left atrium
Coronary artery
supply blood to the cardiac muscles
Right atrium
chamber that receives blood from the veins and pumps it to the right ventricle
Left Atrium
chamber that receives oxygenated blood from the lungs and pumps it to the left ventricle
Right ventricle
chamber that receives blood from the right atrium and pumps it to the lungs where it is loaded with oxygen
Left ventricle
the strongest chamber; pumps oxygen-rich blood to the rest of the body
Right pulmonary artery
transports oxygen-depleted blood from the right ventricle to the right lung
Left pulmonary vein
transports oxygenated blood from the left lung to the left atrium
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