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Heart Valves
















Courtesy of St Jude's Medical


Blood must be pumped in one direction. To keep the blood flowing in the right direction, the heart has four valves, two on the right side and two on the left.

The
tricuspid valve lies between the right atrium and the right ventricle.

The
pulmonic valve lies between the right ventricle and the pulmonary artery.

The
mitral valve lies between the left atrium and the left ventricle.

The
aortic valve lies between the left ventricle and the aorta.














 Image source - Cleveland Clinic Foundation