Get premium membership and access revision papers with marking schemes, video lessons and live classes.
Processing. Please wait.

 Class 7 Topical Questions and Answers on Blood Circulatory System

Which one of the following shows the CORRECT order of blood flow in the heart?
A. Vena cava-->pulmonary artery-->pulmonary vein--->aorta
B. Pulmonary artery-->vena cava-->pulmonary vein--->aorta.
C. Pulmonary vein->aorta-->pulmonary artery—>vena cava.
D. Aorta-->pulmonary vein-->vena cava-->pulmonary artery.

 (3m 44s)
735 Views     SHARE