Digestive System
1. Which components of the digestive system are GI tract organs and which are accessory digestive organs?2. Which organs of the digestive system come in contact with food?3. Where along the GI tract is the muscularis composed of skeletal muscle? Is control of this skeletal muscle voluntary or involuntary?4. Where are the visceral peritoneum and parietal peritoneum located?
5. What structures form the mouth (oral cavity)?6. How is saliva secretion regulated by the parasympathetic and sympathetic divisions of the autonomic nervous system?7. What is a bolus? How is it formed?
8. How does a bolus pass from the mouth into the stomach?
9. What are the components of gastric juice?10. What is the role of pepsin? Why is it secreted in an inactive form?11. What substances are absorbed in the stomach?
12. What are the pancreatic acini? How do their functions differ from those of the pancreatic islets?13. What is the role of pancreatic juice in digestion?14. How are the liver and gallblaIDer connected to the duodenum?15. What is the function of bile?16. List all of the major functions of the liver.
17. In what ways are the mucosa and submucosa of the small intestine adapted for digestion and absorption?18. Define absorption. Where does most absorption occur?
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