Which of the Following Factors Greatly Improves Venous Return to the Heart

question 29

Multiple Choice

Which of the following factors greatly improves venous return to the heart during strenuous exercise?

• A) Rapid emptying of the right side of the heart
• B) Forceful action of the valves in the veins
• C) Contraction and relaxation of skeletal muscle
• D) Peristalsis in the large veins

---

Definitions:

Physical Changes

Alterations in the physical state or appearance of a substance or organism, without changing its chemical composition.

Stocky

Describes a person's build as being broad, solid, and often short, suggesting a sturdy physical form.

Obesity

A medical condition characterized by excessive body fat accumulation, increasing the risk of health problems.

Cultural Variation

Differences in social behaviors, practices, beliefs, and values among various cultures.