Once the semilunar valves have opened blood can freely flow out of the ventricles into the pulmonary system right ventricle and

Question

Once the semilunar valves have opened blood can freely flow out of the ventricles into the pulmonary system right ventricle and to the systemic circulation left ventricle Once the blood has been ejected there is some blood left above the valve in the pulmonary system and in the aorta this blood flows backward at the start of diastole This backflowing blood causes two valves to shut Which valves Bicuspid O Pulmonary and Aortic Semilunar valves O Tricuspid

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