Venous return mechanisms Flashcards
1
Q
Pocket valves
A
Prevent back flow of blood
2
Q
Muscle pump
A
Skeletal muscle contracts which squeezes veins
3
Q
Smooth muscle
A
Smooth muscle in walls of veins contract
4
Q
Respiratory pump
A
Pressure difference in thoracic to abdominal cavity during breathing
5
Q
Gravity
A
Helps blood from above heart return to heart
