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Learning Objectives
Chapter Fifteen – The Digestive System
1.
Describe the four basic digestive processes.
2.
Outline the anatomy of the digestive tract and the accessory digestive organs.
3.
Sketch and describe the four layers of the wall of the digestive system.
4.
Explain several mechanisms that regulate digestive function, including examples of neural
and endocrine signaling.
5.
Describe the structures of the oral cavity along with their functions.
6.
Describe the structure and functions of the pharynx and esophagus.
7.
Outline the major responses during the swallowing of food.
8.
Explain how peristalsis and sphincter activity affect the movement of food through the
digestive tract.
9.
Outline the anatomy of the stomach.
10. Describe the general digestive activities that occur in the stomach.
11. Describe the specific chemical changes occurring on ingested molecules in the stomach.
12. Explain various activities that affect gastric activity.
13. Compare the several phases of gastric activity.
14. Describe the process of absorption in the stomach.
15. Explain the function of pancreatic and biliary secretions in digestion.
16. Describe the following events in the small intestine: motility, secretion, digestion, and
absorption.
17. Describe the following events in the large intestine: motility, secretion, absorption, bacterial
activity, and feces production.
18. Compare the roles of several hormones on gastrointestinal function.
19. Summarize how the functions of the digestive tract contribute to homeostasis.