how do villi enhance absorption of food? Give two reason
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Villi are the finger like projections in the intestine.
- They increase the surface area to absorb larger amount of food.
- Each villus transports nutrients to a network of capillaries and fine lymphatic vessels called lacteals close to its surface.
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Explanation:
Villi are specialized for absorption in the small intestine as they have a thin wall, one cell thick, which enables a shorter diffusion path. They have a large surface area so there will be more efficient absorption of fatty acids and glycerol into the blood stream.
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