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pentagon [3]
2 years ago
6

How do skeletal muscles contribute to blood flow?

Biology
2 answers:
Sholpan [36]2 years ago
5 0

Answer:

A. Skeletal muscles force blood in veins to return to the heart

melamori03 [73]2 years ago
3 0
Veins<span> have low </span>blood<span> pressure compared to </span>arteries<span> and need the </span>help<span> of </span>skeletal muscles<span> to bring </span>blood back to the heart<span>. Most </span>veins<span> have one-way valves called venous valves to </span>prevent<span> backflow caused </span>by<span> gravity. They also have a thick collagen outer layer, which helps maintain </span>blood<span> pressure and </span>stop blood<span> pooling. So your answer would most likely be A</span><span />
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