Villi and microvilli increase__________?
Correct answer: C. absorption
- A. digestion
- B. assimilation
- C. absorption
- D. ingestion
Explanation
Villi and microvilli greatly increase the surface area of the small intestine, allowing digested nutrients to pass more efficiently into blood and lymph. They do not primarily increase digestion itself, so option a is the likely choice of students who confuse nutrient breakdown with nutrient uptake.
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