Absorption occurs when nutrients and other substances:
a. are removed from the lumen of the GI tract to enter the bloodstream only.
b. are removed from the lumen of the GI tract to enter the bloodstream or lymphatic system.
c. are removed from the large intestine.
d. pass from the stomach to the small intestine
Answer: b. are removed from the lumen of the GI tract to enter the bloodstream or lymphatic system.
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