Question

examine the structure of a villi in the small intestines. How is the epithelium adapted for the absorption of food substances?

Answer 1

Answer:

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.

The small intestine is good for absorption since it has a large inner surface area. This is formed due to the plicae circulares which project many tiny finger-like structures of tissue called villi. The individual epithelial cells also have finger-like projections, which are called known as microvilli.

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Answer 2

Answer:

hey!!

Explanation:

The inner lining of the small intestine is made into a great number of finger like projections called villi. The villi increases the inner surface area of the intestines which facilitate the absorption of digested food.

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