In: Biology
the main function of the villi and micovilli in the small intestines is
a) increased surface area for absorption
b) improved secretion of digestive enzymes
c) accelerated movement of the chyme through the intestine
d) more effective mucus secretion to protect the mucosa
e) all of the above
Correct answer is (d) all of the above.
Thus not only in absorption but also in enzyme and mucus secretion, peristalsis, villi and microvilli play important role.