26.II.2004 :::: 15.42

from the venae cavae to the right atrium through the tricuspid valve to the right ventricle through the pulmonary semilunar valve to the pulmonary arteries to the pulmonary capillaries to the pulmonary veins to the left atrium through the bicuspid (mitral) valve to the left ventricle through the aortic semilunar valve to the aorta to the systemic arteries to the systemic capillaries to the systemic veins to the venae cavae loop loop loop