1. What are the names of the 3 salivary glands?
2. What enzyme is found primarily in saliva?
3. What are the 3 parts of a human tooth?
4. What is the name of the circle of muscle that forms the opening between the esophagus and stomach?
5. List the 4 layers of the stomach wall.
6. What is the name of the 3 sections of the small intestine?
7. Most nutrient absorption occurs in which organ?
8. How does the liver contribute to digestion?
9. If someone has his or her gallbladder removed, what might be the effect on digestion?
10. What is chyme?
11. What is the name given to the involuntary muscle action that propels food through the digestive tract?
12. Name 2 functions of the large intestine.
13. In a short essay, describe the function of the gastric juices (20 pt).
14. Identify and explain the functions of the digestive juices in the small intestine (20 pt).