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ACSM Personal Trainer

Category - Exercise Programming and Implementation

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What structure within the cardiovascular system prevents blood from flowing backwards to ensure blood flow throughout the body?

Two-way valves
One-way valves
Mini-pumps
Venules

Explanation

Answer: B - One-way valves within the cardiovascular system prevent blood from flowing backwards to ensure blood flow throughout the body. This allows the blood to provide oxygen and nutrients and remove waste from body tissues.

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