The Small Intestine

The small intestine:

A) normally contains millions of bacteria that digest complex polysaccharides and produce vitamin K.
B) secretes amylase, lipase, and various proteases from its epithelial cells.
C) is the main site of gastrin secretion.
D) absorbs a larger volume of fluid than any other region of the GI tract.
E) undergoes only peristaltic contractions, both during the digestion of meals and between meals.