Normal Heart and Blood Flow blood from upper body
superior vena cava
aorta to body to lungs
main pulmonary artery
pulmonary veins from lungs
pulmonary veins from lungs
left atrium
atrial septum
mitral valve
pulmonary valve right atrium left ventricle
tricuspid valve right ventricle inferior vena cava
blood from lower body ÂŽ
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aortic valve
ventricular septum