AP Biology Animal Form & Function
Name__________________
Immune System
1. First line of defense against pathogens: Barriers
A.
B.
C.
2. What is meant by non-specific defenses?
3. Phagocytes are:
3 Types of Phagocytes:
A. Granulocytes (Neutrophils)
B. Macrophages
C. Dendritic Cells
4. What are complement proteins?
5. How do complement proteins help the immune defense against pathogens?
A.
B.
C.
D.
6. Describe the events in the inflammatory response:
A. Mast Cells
B. Histamine
C. Phagocytes
7. What structures make up the lymphatic system?
8. Functions of the lymphatic system:
A. Transportation and storage of
B. Filtering
C. Produces 2 kinds of lymphocytes:
9. Describe the difference between B cells and T cells:
T Cells
B Cells
10. What is an antigen? Where are they found?
11. How do B and T cells recognize antigens?
12. Describe (or draw) an antigen receptor found on a B or T cell:
13. What is the function of Helper T cells?
14. How does a Helper T cell become activated?
15. Once activated, what does a Helper T cell do?
16. How does a B cell become activated?
17. Once activated what does a B cell do?
18. What are antibodies?
19. How do antibodies help the body fight off infection?
20. How do antibodies recognize antigens?
21. Label the following structures on an antibody:
22. What is the function of memory B and T cells?
23. Explain what is happening in this graph:
24. What is a vaccine? Why do people receive a vaccine?
25. What is the function of Killer T (Cytotoxic) cells?
26. How do cytotoxic cells know when to destroy a cell?
27. What causes allergies?
28. Why is the HIV virus so dangerous?
29. How is the HIV virus spread?
Fill in the following chart:
Type of Cell
Granulocytes (Neutrophils)
Macrophages
Dendritic Cells
Helper T Cells
B Cells
Memory Cells
Killer T (Cytotoxic Cells)
Where are they found?
What is their function in the
immune system?