(a) What are the upper parts of the heart called ? (b) What are the lower parts of the heart called ?
(a) What are the upper parts of the heart called ?
(b) What are the lower parts of the heart called ?
(c) What is the name of blood vessels which connect arteries to veins ?
(d) (i) Which side of the heart pumps blood into the lungs ?
(ii) Which side of the heart pumps blood into entire body (except the lungs) ?
4 views