Biology, asked by eshwarv, 11 months ago

12. A vein differs from an artery in having :
a) narrower lumen
b) strong
muscular wall
c) pigmented wall to give it a dark appearance d) valves to control direction of flow of ble

Answers

Answered by ajayyadav4321

0

Answer:

a narrow lumen is present in the veins

Answered by AztecBlackBeast

0

Answer:

(D) valves to control direction of flow of blood

Explanation:

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