1. Immune System Study Guide 6 th Grade

2. 2 Types of Immunity Innate/Nonspecific immunity Innate/Nonspecific immunity Adaptive/Specific Immunity Adaptive/Specific Immunity

3. Innate/Nonspecific Immunity Skin, tears, mucous membranes, nose hair, and cilia. Skin, tears, mucous membranes, nose hair, and cilia. Acts like a barrier against pathogens Acts like a barrier against pathogens Destroys pathogens on contact Destroys pathogens on contact Traps pathogens Traps pathogens

4. Adaptive/Specific Immunity Develops specifically tailored defenses Develops specifically tailored defenses Includes lymphocytes, lymph vessels, lymph nodes, thymus gland, tonsils and spleen Includes lymphocytes, lymph vessels, lymph nodes, thymus gland, tonsils and spleen

5. Lymph System Carries fluid away from body tissues to the circulatory system thus helping to maintain fluid balance. Filters blood and lymph so pathogens are removed from the body.

6. Types of Lymphocytes Killer T cells Killer T cells Helper T cells Helper T cells B cells B cells Neutrophils Macrophages Antibodies

7. Killer T Cells

8. Helper T Cells

9. B Cells