Respond to statements 121–125 with reference to the five
components of the gastrointestinal tract listed below.
a. stomach
b. gallbladder
c. small intestine
d. appendix
e. large intestine
D 121. It has no function in human digestion, but it does in
other animals.
D 122. This organ absorbs about 95 percent of the water that
enters the human body, either as fluids or as part of
food being eaten.
M 123. Enzymatic digestion of proteins occurs primarily in
this organ.
E 124. Bile salts, bile pigments, cholesterol, and lecithin are
stored by this organ.
E 125. The digestion of cellulose occurs in this part of the
digestive system of the pronghorn antelope.
Answers: 121. d, 122. c 123. c, 124. b, 125. a
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