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2 votes
Which depends on the skeletal muscle pump and changes during breathing

asked
User Alko
by
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1 Answer

5 votes

Answer:

veins

Step-by-step explanation:

vein

As muscle contract and release, the blood is milked through the veins towards the heart pressure changes that occur in the thorax during breathing also aid blood return.

answered
User Swarup Donepudi
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8.1k points

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