Veins have valves which allow blood to flow only in one direction. Arteries do not have valves. Yet the blood flows in one direction only. Can you explain why?
Choose Your Option
A. Blood flow in arteries is rapid and at high pressure due to heart pump
B. Arteries have thick walls that prevent backflow
C. Valves are not needed in arteries
D. Both a and c
Solution & Explanation
No details explanation available for this question. Option A is the verified correct answer.