Biology · Human Circulatory System
What is the main function of the valves present inside the veins of the human body?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1To facilitate the movement of blood leaving the heart chambers
- 2To prevent the backflow of blood and ensure one-way flow✓
- 3To facilitate the exchange of nutrients and gases
- 4To control and regulate blood pressure inside the veins
Correct answer
To prevent the backflow of blood and ensure one-way flow
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