The blood vascular system of frog is closed and consists of Heart, arterial system, venous system, blood and lymphatic system. Its main function is to transport all liquid and gaseous materials to the living tissues and also to bring away from them the liquid and gaseous wastes of metabolism to organs of elimination.
Heart : It is a muscular organ and acts as pumping station and pumps blood.
Heart : It is a muscular organ and acts as pumping station and pumps blood.