A vein differs from artery in having a. Narrow lumen b. Strong muscular wall c. Pigmented wall to give it a dark appearance d. Valves to control direction of flow of blood
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Valves control direction of blood flow towards heart is the correct answer.
A vein differs from an artery in having Valves control direction of blood flow towards heart.
Normally, the Arteries carries the blood from the heart to the rest of the body and veins carry blood from the rest of the body back to the heart.
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