What helps return blood to the heart?
Understand the Problem
The question is asking about the mechanisms or factors that assist in returning blood back to the heart, likely focusing on physiological processes or structures in the cardiovascular system.
Answer
Veins, muscle pumps, venous valves
Veins, muscle pumps, and venous valves help return blood to the heart.
Answer for screen readers
Veins, muscle pumps, and venous valves help return blood to the heart.
More Information
Veins contain valves that prevent backflow and muscle pumps aid the movement of blood against gravity.
Tips
A common mistake is to overlook the vital role of muscle contractions and venous valves in aiding venous return.
Sources
- How Blood Flows Through the Heart & Body - Cleveland Clinic - my.clevelandclinic.org
- What are two mechanisms used to return blood back to the heart? - quora.com
- Overview of the Venous System - Merck Manuals - merckmanuals.com
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