Question

which is true of the inner surface of the small intestine?
o a. it has a minimal role in food absorption.
o b. enzymes break fiber into its basic components.
o c. it produces bile.
o d. it is covered with projections called villi.

Explanation:

• Option a: The small intestine is the main site for food absorption, so this is false.
• Option b: Humans lack enzymes to break fiber into basic components, so this is false.
• Option c: The liver produces bile, not the small intestine, so this is false.
• Option d: The inner surface of the small intestine is covered with projections called villi which increase the surface area for absorption. This is true.

Answer:

d. It is covered with projections called villi.