Which of the following assist(s) in venous return to the heart?
A)valves that prevent backflow
B)vasoconstriction during exercise
C)contraction of skeletal muscles alongside veins
D)pressure changes in the thorax during breathing
E)all of these

Question

Quizplus · Accepted Answer

All of the listed options assist in venous return to the heart. Venous valves prevent backflow, vasoconstriction during exercise helps push blood back to the heart, contraction of skeletal muscles alongside veins squeezes veins and pushes blood upwards, and pressure changes in the thorax during breathing help pull blood back towards the heart.

Which of the Following Assist(s) in Venous Return to the Heart