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Inga [223]
3 years ago
7

Why do veins also have valves?

Health
2 answers:
yan [13]3 years ago
5 0

Answer:

(D) to prevent gravity from pulling the blood towards the feet

Stolb23 [73]3 years ago
3 0
The answer is D as the blood would become stationary if it weren’t for valves
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