Question

How is the wall of small intestine adapted for performing the function of
absorption of food?

Answer 1

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The walls of small intestine have small finger like projections called villi which increases surface area for absorption.

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Answer 2

The dividers of the small digestive system have little finger-like projections called villi which build surface area for ingestion or absorption.

Explanation:

• By being long, having villi and microvilli that increase surface area, using strong constrictions to move and blend food, and obtaining and storing stomach-related chemicals and bile that aid in the breakdown of food, the small digestive tracts are all around designed for retaining supplements during assimilation.
• The inner wall, or mucosa, of the small intestine is covered in plicae circulares, which are microscopic folds that project tiny finger-like projections of tissue called villi and microvilli.
• The plicae circulares, villi, and microvilli all have the purpose of expanding the surface area that is available for nutrition absorption.
• Close to its surface, each villus distributes nutrients to a network of lacteal capillaries and tiny lymphatic arteries.

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