This 3D medical animation depicts the anatomy of the heart. The chambers of the heart are shown, including the right atrium, left atrium, right ventricle and left ventricle. The valves are also shown, including the tricuspid, bicuspid (mitral), aortic and pulmonary valves. Blood flow through both sides of the heart and great vessels is portrayed. Blood supply to the heart through the coronary arteries is depicted.