1. Immune System By. Amanda, Iva, Tavey, Natsumi

2. Contaminants 0 Cells 0 Proteins 0 Tissues 0 Organs 0 Blood vessels 0 Leukocytes

3. Function 0 Helps attacks germs 0 Tries to keep away diseases from going into your body 0 Attacks organisms and substances 0 Always on alert

4. Cells 0 Leukocytes-white blood cells 0 T cell-helper cells 0 B cells are started by T-helper cells, made into plasma cells 0 Plasma cells spreads antibodies that can bind to the antigen in the bloodstream 0 Few B cells become memory B cells, can survive for decades 0 Memory B cells can help with future diseases that you’ve had before, gives immunity

5. Immune Response 0 Pathogen enters the body 0 Macrophages surround the pathogens and display antigens 0 Macrophages with antigen fragments on them are called antigen presenting cells 0 Antigen presenting cells connect with T-helper cells 0 Macrophage sends alarming signal called interleukin-1 which stimulates T-helper cell 0 Secretes interleukin-2 0 T and B cells 0 Cytotoxic cells that recognize the antigen on surfaces of infected cells bind it and make chemicals that kill it

6. Antigens 0 causes your body to create antibodies against it 0 a foreign substance 0 Anything that triggers the immune response 0 Can be a microbe

7. Click to edit the outline text format Second Outline Level  Third Outline Level Fourth Outline Level  Fifth Outline Level  Sixth Outline Level  Seventh Outline Level  Eighth Outline Level 0 Ninth Outline LevelClick to edit Master text styles 0 Second level 0 Third level 0 Fourth level 0 Fifth level Cuts Mosquitoes 0 Helps to close it up 0 Inflammation and pus are side effects Red and itchy bump Your system is working to heal it

8. What if the immune system stopped working? 0 Bacteria, parasites, toxins will go into your body 0 Unable to stop them from coming in 0 Dismantles body, takes a few weeks 0 A skeleton is left

9. What weakens the immune system Overdosing on sugar Alcohol Food allergens Lot of fat Reduces the ability of white cells to kill germs

10. Help Your Immune System! 0 Vitamin C-reacts on cancer cells 0 Helps stomach, breasts, colorectal and prostate cancers Examples: citrus fruits, green peppers, cantaloupes, broccoli 0 Vitamin E-enhances production of B cells 0 Lowers the risk of cardiovascular disease Examples: grains, vegetable oils, seeds 0 t

11. Sources Consulted “Animation: The Immune Response.” Human Anatomy. McGraw-Hill Higher Education, 2006. Web. 1 Mar. 2012..http://highered.mcgraw- hill.com/‌sites/‌0072495855/‌student_view0/‌chapter24/‌animation__the_immune_response.html “8 Foods That Boost Immunity.” Ask DrSears. AskDrSpears.com, 2011. Web. 28 Feb. 2012..http://www.askdrsears.com/‌topics/‌family-nutrition/‌foods-boost-immunity/‌8-foods-boost-immunity “4 Habits That Weaken the Immune System.” Ask DrSears. AskDrSears.com, 2011. Web. 1 Mar. 2012..http://www.askdrsears.com/‌topics/‌family-nutrition/‌foods-boost-immunity/‌4-habits-weaken-immune-system “How Your Immune System Works.” How Stuff Works. How Stuff Works, Inc, 2012. Web. 1 Mar. 2012..http://science.howstuffworks.com/‌environmental/‌life/‌human-biology/‌immune-system.htm “Immune System.” KidsHealth. The Nemours Foundation, 2012. Web. 28 Feb. 2012..http://kidshealth.org/‌parent/‌general/‌body_basics/‌immune.html “Ways to Strengthen the Immune System.” Essortment. Demand Media, 2011. Web. 1 Mar. 2012..http://www.essortment.com/‌ways-strengthen-immune-system-62358.html