Edexcel IGCSE Biology · Spec 2.32
Absorption
How the villi in the small intestine are adapted for the fast, efficient absorption of digested food.
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Absorption
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Spec 2.32
What you need to know
- Recall where digested food is absorbed
- Describe the structure of a villus
- Explain how villi are adapted for absorption
Active recall
Quick check
Answer each question before opening the answer.
Where are the products of digestion absorbed?
In the small intestine (ileum), through the villi.
Give two adaptations of a villus for absorption.
Any two of: large surface area, thin (one-cell) wall, rich blood supply, a lacteal for absorbing fats.
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