What determines the movement of blood in systemic veins?

Question

Quizplus · Accepted Answer

The movement of blood in systemic veins is determined by a combination of factors, including the blood pressure difference between systemic capillaries and the right atrium, the contraction and relaxation of skeletal muscles, the decrease of thoracic pressure and increase of abdominal pressure due to diaphragm movement, and the presence of valves in the veins. Therefore, option E, which includes all of these factors, is the correct answer.

What Determines the Movement of Blood in Systemic Veins