Blood flow through the heart: 1) Deoxygenated blood enters the superior and inferior vena cava, 2) Blood travels through the right atrium, 3)Goes through the tricuspid valve,4) Into the right ventricle, 5) through the pulmonary semilunar valve, 6) Into the pulmonary trunk, 7) Into the lungs to get oxygenated, 8) Goes through the pulmonary vein, 9)to the left atrium, 10) through the bicuspid/mitral valve, 11) Into the left ventricle, 12) To the aortic semilunar valve, 13) Into the aorta, 14) goes into the body and repeats