In the human heart, the  I. left auricle has opeining of pulmonary veins and receives
Channel: Doubtnut
Date: 2020-05-03

In the human heart, the  I. left auricle has opeining of pulmonary veins and receives oxygenated blood from lungs.  II. Right auricle opens into the right ventricle and the auriculoventricular aperture is guarded by a bicuspid valve.  III. valves are attached to the wall of ventricles by means of chordae tendinae.  IV. opening of left auricle into left ventricle is guarded by a tricuspid valve.  Choose the correct answer.