Biology · Human Nutrition and Digestive System
What is the primary role of roughage (dietary fiber) in human diet?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1Helps directly in blood clotting
- 2Aids in digestion and bowel movement✓
- 3Improves eyesight
- 4Provides protein to muscles
Correct answer
Aids in digestion and bowel movement
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