______ up invading germs b. : allow the body to. previous invaders. 4. Name two places to find leukocytes: a. and b. 5.
Immune System Webquest!
Name _________________________________ Period ______ Date _______________
Go to: http://kidshealth.org/kid/cancer_center/HTBW/immune.html 1.
To be immune means to be ________________________.
2. Another name for a white blood cell is ___________________________. 3. Name two types of leukocytes: a. ____________________________: _______ up invading germs b. ____________________________: allow the body to ___________________ previous invaders 4.
Name two places to find leukocytes: a. ______________________ and b. _______________________
5.
Another place to find leukocytes is your ___________________________ system.
6. What do lymph nodes do? _____________________________________________________________ Go to: http://www.nobelprize.org/educational/medicine/immunity/immune-detail.html 7. What is the complement system? 8. Name the four things complement proteins can do: a. trigger _________________________ b. attract “eater” cells such as _______________________ c. ___________ intruders so that eater cells are more likely to devour them d. ________ intruders 9. Phagocytes: specialized in “________________” bacteria, viruses, and dead or injured body cells a. Which are the “big eaters”? ___________________________ b. Why are these called “big eaters”? _______________________________________________ c. What are the other two types of eaters? ________________________ and _________________________ cells 10. Where do lymphocytes originate? _________________________ Where do lymphocytes migrate? ________________________________________ 11. What are two types of lymphocytes? _________________________ 12. The lymphatic system _______________ cells into the body and filters out ___________ _________and invading organisms such as bacteria.
13. Each lymphocyte has _________________ that enable it to recognize foreign substances. These receptors are very ____________________- each can match only _________ specific antigen. The lymphocyte cells travel through your body until they find an antigen of the right ___________ and _____________ to match their specific receptors. Why does the body produce so many different lymphocytes? __________________________________________ 14. Why are T cells named “T”cells? ______________________________________________________________ 15. Helper T cells are the main ______________________ of the human immune defense. 16. What do helper T cells help activate? ________________________ and _________________________ Go to: http://www.webmd.com/a-to-z-guides/immune-system-disorders_ 1. What do immune disorders cause? 2. What are autoimmune diseases? 3. What do immune deficiency diseases do? 4. Allergies are a result of overreaction to what? Autoimmune Diseases 1.
Rheumatoid arthritis: a. What do antibodies attach to? b. When immune cells attack, what can result? c. If untreated, what could happen?
2. Multiple sclerosis: a. What does the immune system attack? b. What symptoms can this cause? (5) 3.
Type 1 diabetes (mellitus): a. Which cells are attacked? Where? b. What is required to survive?
4. Guillain-Barré syndrome: a. Which limbs are affected? b. What is the main treatment? Immune Deficiency Diseases The body may suffer a deficiency for two reasons: a.
It may be _______________________ by medication or __________________ .
b. The deficiency may be a ___________________ disorder, present from birth.
