Immune System Internet Lesson. Directions: Answer ... List 4 jobs of complement proteins. a. ... 24. What is the job of receptors on the surface of ly...
Immune System Internet Lesson Directions: Answer the following questions by visiting the website listed below. http://nobelprize.org/educational_games/medicine/immunity/immune-overview.html Introduction 1. What protects openings such as the eyes and mouth? _______________________________________________ 2. Why do most intruders die in the stomach? ________________________________________________________ 3. List 3 ways that invaders can enter the body? a. _______________________
b. _______________________
c. _______________________
4. Why is inflammation of a body part good? ___________________________________________________________________________________________ Immune Cells: The Defense 5. Which molecules do immune cells work with? ______________________________________________________ 6. a. Which cells are immune cells?
b. Where are these cells created?
a. ________________________________
b. ________________________________
7. List 3 ways that immune cells help your body. a. _____________________________________________________________________________________ b. _____________________________________________________________________________________ c. _____________________________________________________________________________________ 8. True or False: You are more likely to not get sick a 2nd time from an invader that your body has seen in the past. Bacteria and Viruses: Our Main Enemies 9. What are poisonous chemicals produced by bacteria called? __________________________________________ 10. Why do viruses need a host cell? ________________________________________________________________ Pathogens and Antigens 11. Define ANTIGEN. _____________________________________________________________________________ 12. Specifically, where are antigens found? ___________________________________________________________ 13. Define PATHOGEN. ___________________________________________________________________________ CLICK “THE IMMUNE SYSTEM – IN MORE DETAIL” Introduction 14. Name two examples of parasites. 1. _______________________
2. _______________________
The Compliment System 15. The complement system is made from which type of molecule? _______________________________________ 16. Where are these proteins found? ________________________________________________________________ 17. List 4 jobs of complement proteins. a. _____________________________________________________________________________________ b. _____________________________________________________________________________________ c. _____________________________________________________________________________________ d. _____________________________________________________________________________________
Phagocytes 18. What is the job of phagocytes? ___________________________________________________________________________________________ 19. Which two phagocyte alerts the rest of the body of danger? Granulocytes Macrophages Dendritic cells 20. Which phagocyte is found in puss? Granulocytes Macrophages
Dendritic cells
21. Which phagocyte eats until they die? Granulocytes Macrophages
Dendritic cells
22. Which phagocyte filters body fluids? Granulocytes Macrophages
Dendritic cells
Lymphocytes 23. What are the two main types of lymphocytes? 1. ______________________
2. ______________________
24. What is the job of receptors on the surface of lymphocytes? ___________________________________________________________________________________________ 25. What do the receptors specifically match with? _____________________________________________________ T cells 26. What is the primary task of T cells? _______________________________________________________________ 27. Outline the 4 steps of antigen presentation that will activate T cells. a. _____________________________________________________________________________________ b. _____________________________________________________________________________________ c. _____________________________________________________________________________________ d. _____________________________________________________________________________________ 28. List 3 items that killer T cells will attack. a. _______________________
b. _______________________
B cells 29. After dividing, which two cells are created by B cells?
c. _______________________
1. __________________
2. _________________
30. Plasma cells create which type of protein? _________________________________________________________ 31. List 2 ways that antibodies help your body. a. _____________________________________________________________________________________ b. _____________________________________________________________________________________ 32. True or False: Memory cells help speed up recovery if infected a second time. 33. Briefly outline the 6 stages of immunity below. a. _____________________________________________________________________________________ b. _____________________________________________________________________________________ c. _____________________________________________________________________________________ d. _____________________________________________________________________________________ e. _____________________________________________________________________________________ f.
