Textbook chapters (only one of the following books is necessary, the information covered in the concept questions is found in each of the books).
• Chapter 23: Anatomy and Physiology by OpenStax College • Chapter 21: Visual Anatomy and Physiology by Martini and Ober • Chapter 17: Hole’s Anatomy and Physiology by Shier, Butler, and Lewis
1. Describe the structure, function, and location of each of the four main tissue layers of the digestive tract.
2. Describe the functional significance of the circular versus longitudinal muscle layer of the digestive system, and the relationship of each to the processes of peristalsis and segmentation.
4. Describe the source, stimulus, target, and action of each of the following molecules associated with digestion: amylase, lipase, nuclease, brush border (intestinal) enzymes, proteolytic enzymes, hydrochloric acid, intrinsic factor, pepsinogen, pepsin, gastrin, secretin, cholecystokinin, histamine, and bile.
5. Compare and contrast the structural and functional differences of the duodenum, jejunum, ileum, cecum, ascending colon, transverse colon, descending colon, and sigmoid colon.