Assignment Task 1: Digestive System
Q1. Describe the layers of the wall of the GI tract/Alimentary canal.
Q2. Describe the major functions of each of the organs in the GI tract.
Q3. Name the accessory organs of the digestive system and describe the functions for each organ.
Q4. Describe the pH range, secreting organ, site of activity, and function for each of the following digestive enzymes: amylase, nuclease, lipase, pepsin, trypsin, and chymotrypsin.
Q5. Describe the functions of the following non-enzymatic substances: bile, intrinsic factor, CCK, GIP, secretin, HCl, and bicarbonate.
Q6. Describe how each of the following macromolecules is mechanically and chemically digested and then absorbed along the GI tract: carbohydrates, proteins, nucleic acids, and lipids.
Assignment Task 2: Immune and Lymphatic System:
Q1. What is innate immunity? Describe the different components of innate immunity.
Q2. Describe barrier immunity and provide several examples.
Q3. Define the following: natural active immunity, artificial active immunity, natural passive immunity, artificial passive immunity. Be able to provide examples of each.
Q4. Summarize the steps of humoral immunity (B-cell activation)
Q5. Summarize the steps of cellular immunity (T-cell activation)
Q6. Define clonal selection and explain its importance for acquired immunity.
Assignment Task 3:
Q1. What is the function of the liver in each of the systems discussed? Note: it may have no function in a system (reproductive) or be absolutely essential (cardiovascular).
Q2. What are the methods of regulating pH in the body? What systems are involved and how? Why does this need to happen?
Q3. What organs and systems work together to control blood pressure in the angiotensin system?
Q4. What are the methods of obtaining and processing raw materials (nutrients, gases, vitamins etc) in the body? What systems are involved and how? Why does this need to happen?
Q5. What are the methods of excreting waste products from the body? What systems are involved and how? Why does this need to happen?
Q6. What are the ways the body protects itself - be specific as to how each organ system discussed protects the body.
Q7. Explain the relationships between blood volume, urine volume, urine concentration, and blood pressure.
Q8. What are the various layers of the hollow organs discussed? Compare and contract their structure and function.
Q9. What happens when particular functions or processes are disrupted, and why? For instance, what might happen if mucus is no longer produced? Or active transport is disrupted?