Digestive System
Supplemental Instruction
Iowa State University / Leader: / Caleb I.
Course: / BIOL 212
Instructor: / Dr. Kukday
Date: / 10/31/2017

1.)Vocabulary Review- Match the Terms & Definitions:

1060 Hixson-Lied Student Success Center  515-294-6624  

  1. Digestion ___
  2. Ingestion____
  3. Enzymatic Hydrolysis _____
  4. Absorption _____
  5. Elimination _____
  6. Alimentary Canal _____
  7. Pepsin, Chymotrypsin, Trypsin _____
  8. Lipase _____
  9. Amylase _____
  10. Passive Absorption _____
  11. Active Absorption _____

1060 Hixson-Lied Student Success Center  515-294-6624  

2.)Can you explain how nutrients get absorbed into blood vessels in the small intestine? ----- List the steps of digestion from beginning until the molecules are able to reach any cell in the body. State locations and what happens at each location:

3.)Can you state the primary locations of carbohydrate, lipid, and protein digestion? What enzymes are involved at these different locations? ----- Fill in the table below:

Molecule Type / Digestion Location / Enzyme Involved / Monomer After Digestion / Food Source Example

4.)Can you describe the functional roles played HCl (secreted as H+ & Cl-) and pepsin in the stomach? Answer the following questions with notes or google searches:

  1. How is HCl produced?
  1. How is pepsin produced?
  1. Why doesn’t HCl damage the intestinal lining?

5.)Can you recognize the functions of different organs that are part of the human digestive system? ----- Label the figure below and give the functions of the liver, stomach, pancreas, salivary glands, and intestines:

Dr. Kukday’s “Can You?” Questions:

Nutrition & Digestion:

1.)Can you identify the functions of hydrolytic enzymes that digest carbohydrates, proteins, and lipids?

2.)Can you describe the functional roles played by HCl (secreted as H+ & Cl-) and pepsin in the stomach? How is HCl produced? How is pepsin produced? Why don’t they damage the intestinal lining?

3.)Can you recognize the functions of different organs that are part of the human digestive system?

4.)Can you explain how nutrients get absorbed into blood vessels in the small intestine?

5.)Can you state the primary locations of carbohydrate, lipid, and protein digestion? What enzymes are involved at these different locations?

1060 Hixson-Lied Student Success Center  515-294-6624  