How do veins return blood to the heart? check all that are correct. rev: 01_08_2018_qc_113189 veins have one-way valves that prevent backflow in the limbs. the contraction of skeletal muscles push the blood in veins back toward the heart. the skeletal muscle pump involves the automatic contraction of the smooth muscles in the walls of the veins. the pressure from the arteries is sufficient to push the blood through the veins and back to the heart?
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How do veins return blood to the heart? check all that are correct. rev: 01_08_2018_qc_113189 vein...
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