Which is a main function of the stomach?
a. Digestion of proteins
b. Absorption of water
c. Release of gastrin and somatostatin
d. Excretion of chyme
ANS: C
The stomach has three main functions: (1) it moves food along, (2) the secretory actions cause the food to break down, and (3) the endocrine component is responsible for the release of gastrin and somatostatin. Gastrin causes the release of acid, and somatostatin inhibits the release of gastrin.
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