Which of the following assists in the return of venous blood to the heart? a. valves b. skeletal muscle contraction c. respiratory movements d. reduction in cross-sectional area from venules to veins e. All of these are correct.
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Valves in veins prevent the backflow of blood, ensuring that blood flows in one direction towards the heart. b. Skeletal muscle contraction helps to compress veins, pushing blood towards the heart. c. Respiratory movements create pressure changes in the Show more…
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