What factors are involved in the movement of blood to the heart?

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asked Apr 27, 2019 87.0k views

1 Answer

Amy G · Answer 1 · 2019-05-03T07:41:58+0000

It's the massage of the veins by muscular movement, aided by the presence of valves that ensure that the blood moves in the right direction when the vein is squeezed.
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So sorry if it's not

What factors are involved in the movement of blood to the heart?

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