villi and microvilli

 

Question: 10 of 47

INCORRECT

• Time Remaining: 08:06:47

The shape of villi and microvilli facilitates which of the following?

Pushing food along the intestine via ciliary motion of villi

MY ANSWER

Movement of food is aided by smooth muscle contractions, not by villi projections.

Creating barriers to food movement to increase digestion time

Movement of food is aided by smooth muscle contractions, not impeded by villi projections.

Decreasing surface area for absorption

The folds increase the surface area, allowing more nutrients to be absorbed and delivered to the blood stream.

Increasing surface area for absorption

The folds increase the surface area, allowing more nutrients to be absorbed and delivered to the blood stream.