Respond to statements 121125 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.
Question 2Matching II. Choose the one most appropriate
statement for each.
1. ___ amylase
2. ___ bile
3. ___ disaccharidase
4. ___ gastrin
5. ___ lipase
6. ___ monosaccharides
7. ___ pepsin
8. ___ amino- and carboxypeptidase
9. ___ sphincter
10. ___ trypsin
A. made in the small intestine and pancreas;
act on peptide fragments
B. glucose, fructose, and galactose are
examples
C. made in the pancreas; acts on fats
D. made by the pancreas and salivary glands;
acts on starch
E. made by the small intestine; acts on double
sugars
F. made by the pancreas; acts on proteins and
polypeptides
G. contains cholesterol; helps emulsify fats
H. made in the stomach; acts on proteins
I. stimulates hydrochloric acid secretion
J. circular muscle acts like valve
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