1.   define the terms nutrition, ingestion, digestion, autotroph, and heterotroph.
2.   define the terms micronutrient and macronutrient.
3.   list four categories of macronutrients and explain their chief functions in the body.
4.   list two categories of micronutrients.
5.   list four factors which influence the nutritional requirements of humans.
6,   explain the composition of roughage (fiber) and list some reasons the body needs this.
7.   recognize that carbohydrates should provide at least 50% of the energy needs of
      the body.
8.   list the hydrolytic breakdown products of complete carbohydrate, protein, and lipid
      digestion, as well as the enzymes facilitating this process.
9.   state two other names for the GI (gastrointestinal) tract.
10. state the chief role(s) of the following in the human digestive process; mouth, oral cavity,
      tongue, teeth, and salivary glands.
11. define the term peristalsis and recognize that it begins in the esophagus in humans.
12. describe the role of the epiglottis and esophagus in human digestion.
13. describe the appearance and role of the stomach in human digestion.
14. describe the roles of pepsin (gastric protease) and HCl in the stomach.
15. recognize it is the job of the liver to make bile and the gall bladder to temporarily
      store bile.
16. recognize the function of bile is to emulsify lipids in the small intestine.
17. define the term emulsification.
18. describe the role of pancreatic juice in the digestive process in the small intestine.
19. explain how bile and pancreatic juice are carried to the small intestine.
20. describe the role of intestinal juice in the small intestine.
21. discuss the role of the folding of the small intestine and the villi which line its surface.
22. recognize that the appendix is a vestigial structure in humans.
23. state the chief function of the large intestine, rectum, and anus in humans.
24. define the term defecation.
25. given a diagram of the human digestive system, label the major organs of the system.
26. list the chief symptom(s) and/or cause of the following digestive disorders; ulcer,
      appendicitis, gallstones, constipation, and diarrhea.