The portion of the small intestine that performs the bulk of chemical digestion and nutrient absorption is the
A) ileum.
B) duodenum.
C) jejunum.
D) pylorus.
E) cecum.

Question

Quizplus · Accepted Answer

The small intestine is divided into three parts – duodenum, jejunum, and ileum. The duodenum is the first part of the small intestine where the digestive enzymes produced by the pancreas and bile from the liver are secreted. However, the majority of chemical digestion and nutrient absorption takes place in the jejunum, which is the middle section of the small intestine. Therefore, the correct answer is C) jejunum.

The Portion of the Small Intestine That Performs the Bulk