Q. Difference between pulmonary artery and pulmonary vein is that, the pulmonary artery has
A. No Endothelium
B. Valves
C. Thicker Walls
D. Oxygenated Blood
Answer: Valves
A. No Endothelium
B. Valves
C. Thicker Walls
D. Oxygenated Blood
Answer: Valves