Reference no: EM132714437

1. Name the sections of the small intestine. Briefly describe the digestive processes that occur in each.

2. (a) Describe the inside surface of the small intestine and explain the reason for this structure.

(b) How does the structure of the small intestine relate to the Mini Investigation at the beginning of this section?

3. Explain the process that releases bile into the duodenum.

4. Gallstones often develop in the gall bladder when minerals in the bile form into small pebble-like structures. This often requires the removal of the gall bladder.

(a) What is the function of the gall bladder?

(b) What might be the consequences of having your gall bladder removed?

(c) Use the Internet and other sources to research how you might need to adjust your diet following gall bladder removal. Make a report of your findings.

5. Make a graphic organizer to summarize the physical and chemical digestion of the three groups of nutrients.

6. Name two hormones and two enzymes that are involved in digestion, and explain their roles.

7. (a) Describe the processes involved in the breakdown of proteins into individual amino acids.

(b) Why is it necessary to reduce large protein molecules to single amino acids?

8. How does facilitated diffusion differ from simple diffusion and osmosis?

9. Use a graphic organizer to compare the roles of the small and large intestines in digestion.

10. Ontario has implemented a colorectal cancer screening program. Use the Internet and other sources to find information about this program.

(a) Describe the program and its goals.

(b) What criteria are used to identify individuals who should have a colonoscopy?

(c) Evaluate the use of colonoscopies in diagnosing and/or treating diseases such as colitis and colon cancer.

11. Unlike in humans, the cecum in some mammals is functional. Use the Internet and sources to research the structure and function of the cecum in rabbits. Make a brief report of your findings.