Indicate the Site, Labelled A

Multiple Choice

Indicate the site, labelled a. through e., at which digestion of each of the three main categories of foodstuffs commences and is completed. (Options may be used more than once or not at all.)
-carbohydrate digestion is completed

A) mouth
B) stomach
C) small intestine lumen
D) intracellularly in the small intestine brush border
E) colon