1. Food is ground between the _______________ surfaces of thepremolars and molars.

2. Saliva contains salivary ___, which digests starch in the mouth,and lingual _______________, which digests fat in the stomach.

3. Glands in the _______________and _______________ regions of the stomachsecrete only mucus.

4. The epithelium of the digestive mucosa changes abruptly from _______________ to _______________ at the gastroesophageal junction.

5. In the secretion of hydrochloric acid into the stomach, H⁺ isexchanged for _______________ from the lumen ofthe gastric gland and Cl^- is exchanged for _______________ from the blood.

6. In the _______________ phase of gastric control, even the taste and sight of foodcan stimulate gastric secretion and contraction.

7. The hormone _______________ inhibits gastric secretion, suppresses the appetite, andstimulates contraction of the gallbladder.

8. Most liver functions are carried out by its cuboidal epithelialcells, the _______________.

9. Enterokinase of the intestinal brush border activates the enzyme _______________, whichconverts other pancreatic zymogens into active enzymes.

10. In _______________, a nutrient is digested by coming into contact with enzymesthat are part of the brush border.

11. The _______________ reflex is a mechanism that promotes emptying of the largeintestine (defecation) when chyme enters the duodenum.

12. The first enzyme that begins to digest dietary protein is _______________.

13. An enzyme that removes amino acids one at a time from the –COOHend of a peptide is _______________.

14. Absorptive cells of the small intestine package digested lipidswith proteins in droplets called _______________ that can be transported in the lymph and blood.

15. Overlapping waves of peristalsis in the small intestine arecalled the _______________.

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