The av valves control flow from the atria to the ventricles, the semilunar valves control flow out of the heart. Also, the av valves have chordae tendineae and the semilunars do not.
Semilunar valves are located at the begining of pulmonary artery and aorta. They close in diastole due to the back pressure of the blood in the corresponding arteries,once the systolic ejection force...
Blood is ejected from the ventricles into the major blood vessels that are connected to the heart: the aorta on the left side and the pulmonary trunk on the right side
Tricuspid valve has three flaps and it is located between the right auricle and right ventricle. It prevents the blood from flowing back into the auricle. The mitral or bicuspid valve is situated...