ANATOMY AND PHYSIOLOGY 4 ANATOMY AND PHYSIOLOGY 1 Anatomy and Physiology Name Institution Assignment 1 The aortic, the tricuspid, the mitral, and the pulmonary valves are the four valves found in the heart. The mitral valve opens for blood to drain into the left ventricle and then closes to stop reversing to left atrium. The tricuspid valve then opens to initiate blood movement into the right ventricle from where it is transported to the lungs for oxygenation (Spil