5 Written Questions

1. a substance produced by the liver that breaks up fat particles
2. a clear liquid secreted into the mouth by the salivary glands and mucous glands of the mouth
3. a vestigial process that extends from the lower end of the cecum and that resembles a small pouch
4. mixture of stomach fluids and food produced in the stomach by contracting stomach muscles
5. gland that secretes pancreatic juice into the duodenum, where it mixes with bile to digest food

5 Matching Questions

1. amylase
2. Stomach
3. Sphincter
4. Liver
5. Epiglottis

1. a organ that makes bile to break down fats; also filters poisons and drugs out of the blood
2. b enzyme in saliva that breaks the chemical bonds in starches
3. c circular ring of muscle that constricts a passage or closes a natural opening
4. d an enlarged and muscular saclike organ of the alimentary canal
5. e a flap of cartilage that covers the windpipe while swallowing

5 Multiple Choice Questions

1. opening through which wastes leave the digestive tract
   1. Ileum
   2. mucous
   3. Bile
   4. Anus
2. Small fingerlike projections on the walls of the small intestines that increase surface area
   1. Liver
   2. Bile
   3. Ileum
   4. Villi
3. a fluid secreted into the duodenum by the pancreas
   1. Pancreatic Juice
   2. Protease
   3. Rectum
   4. Pancreas
4. Enzyme that breaks down proteins in the stomach
   1. Villi
   2. Pepsin
   3. Anus
   4. Colon
5. the part of the large intestine
   1. Chyme
   2. Bile
   3. Colon
   4. Villi

5 True/False Questions

1. Carbohydrase → enzyme for digesting carbohydrates

   True        False

2. mucous → protects stomach lining

   True        False

3. Lipase → enzyme in saliva that breaks the chemical bonds in starches

   True        False

4. Protease → Pancreatic enzyme necessary to digest fats

   True        False

5. Microvilli → Tiny hair-like projections of the cytoplasmic membrane located only in the small intestine to facilitate absorption by increasing surface area.

   True        False