Biology for IGCSE & O level - Human Nutrition (Section 6 - No. 47)
Which are features of the small intestine that facilitate absorption of nutrients?
Numerous villi.
A large surface area.
Production of hydrochloric acid.
A thick muscular wall.
Explanation
The small intestine has numerous villi and a large surface area for absorption. The thick wall is not the primary function here. The hydrochloric acid is produced in the stomach.
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