pulmonary circuit
deoxygenated blood to the lungs
systemic circuit
oxygenated blood to the body
systemic circuit
oxygenated blood to the body
heart valves
prevent backflow of blood
atrioventricular valves and semilunar valves
atrioventricular valves
between atria and ventricles
tricuspid and bicuspid
semilunar valves
between ventricles and large arteries of heart
pulmonary semilunar and aortic semilunar
lub
atrioventricular valve closure
dub
semilunar valve closure
heart murmur
abnormal sounds during auscultation of the heart