Topic 2: Nutrition (2.4 - Absorption of Digested Food)

2.4 Absorption of Digested Food

1. Take place in small intestine.
2. Adaptation of small intestine for absorption:
- The inner surface covered with millions of villi (increase surface area for absorption)

- Have many blood capillaries
- Very long (6 m)
- Intestinal wall very thin (one-cell thick)
- Lining with moist.

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