Question

Which blood vessels have valves to prevent blood from moving in the wrong direction?"

a. Arteries.
b. Veins.
c. Capillaries.
d. Lymph vessels.

Answer 1

Both veins and arteries have valves to prevent backflow of blood.

Step-by-step explanation:

Both veins and arteries have valves to prevent the backflow of blood. Arteries take blood away from the heart and veins bring blood back to the heart.