28.The opening of the right and the left ventricles into the pulmonary artery and the aorta respectively are provided with the A. Bicuspid valves B. Tricuspid valves C. Semilunar valves D. Both a & b
Option C The opening of the right and left ventricles into the pulmonary artery and the aorta respectively are provided with the semilunar valves.
