What are the major roles of the villi and microvilli in the small intestine?
a. The microvilli absorb nutrients into the lymphatic system.
b. The microvilli trap nutrients so the villi cells can absorb them.
c. The villi block toxins from absorption into the blood.
d. The villi complete the breakdown of foods into nutrients.
e. The microvilli facilitate digestion of a greater percentage of deficient nutrients.
Question 2
Phosphorus and calcium form the chief crystal of bone called _____.
1.marrow
2.bone matrix
3.hydroxyapatite
4.boneapatite
5.none of these choices
An inguinal hernia. A portion of the small intestine is protruding through the abdominal muscles int
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