Modification of the submucosa of the small intestine that allow for expansion of the organ are the
A) flat surfaces.
B) mucus glands.
C) ciliated columnar cells.
D) plicae.
E) muscularis smooth muscle.

Question

Quizplus · Accepted Answer

The plicae are folds in the submucosa of the small intestine that allow for expansion of the organ and increase its surface area for absorption. This increased surface area is important for the efficient absorption of nutrients from the chyme passing through the small intestine. The other options (flat surfaces, mucus glands, ciliated columnar cells, and muscularis smooth muscle) do not directly relate to the modification of the submucosa for expansion of the organ.

Modification of the Submucosa of the Small Intestine That Allow