500
What is the blood flow through the heart from most deoxygenated to most oxygenated?
inferior and superior vena cava , right atrium, tricuspid valve, right ventricle, pulmonary valve ,pulmonary artery , into the lungs, back into the heart via pulmonary vein, left atrium ,bicuspid valve ,left ventricle, aortic valve ,aorta, back into body via arteries