Question

the lumen size is bigger then vein when compared with artery. why?​

Answer 1

Answer:

In other words, in comparison to arteries, venules and veins withstand a much lower pressure from the blood that flows through them. Their walls are considerably thinner and their lumens are correspondingly larger in diameter, allowing more blood to flow with less vessel resistance.

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Answer 2

Answer:

lumen is the cavity inside vessels.As artery have to take blood at high pressure to body parts than veins therefore artery need bigger lumen size then vein otherwise it will burst out.

Explanation:

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