right atrium
deoxygenated blood from body
tricupsid valve
one way blood flow between right atrium and right ventricle
right ventricle
deoxygenated blood to lungs
septum
prevent oxygenated blood and deoxygenated blood from mixing
semilunar valve aortic
one way blood from heart to aorta
left atrium
oxygenated blood from lungs
mitral valve
one way blood flow between left atrium and left ventricle
left ventricle
oxygenated blood to the body VIA AORTA