Biology, asked by knavnit239pcicuo, 5 months ago

64).Which of the following
is valve less?

(a) Portal system veins
(b) Saphenous vein
(c) Popliteal vein
(d) Ulnar vein​

Answers

Answered by rajm91241
2

(a) portal system veins

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Answered by tathwik
0

Answer:

portal system veins

I thinks so

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