Science, asked by chandamitadevi76, 3 months ago

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 blood

Answers

Answered by Nid45

2

Answer:

d) Valves to control direction of flow of blood

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