| Immune System | Disease causing organisms inside body |
| 1st line of defense | Skin, cilia and mucus |
| 2nd line of defense | White blood cells |
| Inflammatory Response | When blood cells go to infected area |
| Interferon | Substance produced by body cells |
| Third line of defense | produced substances in blood that weakens or destroys germs |
| Antibodies | produce by immune system responsible for destroying harmful invadors |
| Antigen | Substance that triggers action of antibodies. |
| Antigen shape | T |
| Immunity | Resistance to a disease causing organisms |
| Active Immunity | As a result of having the disease or bein vaccinated |
| Vaccination | Process by which antigens are deliberatly introduced into the system |
| Passive immunity | Another organism is produced antibodies |
| Allergies | immune system is overly sensitive to retain substances such as dust and feathers |
| AIDS | Acquired Immune Deficiency Syndrome |
| Infectionous disease | Disease that are transmitted among people |
| Virus | Disease causing agent depends on cells fro it's growth |
| Noninfectionous disease | can't infect others |
| Cancer | Cells that ggrow in a abnormal and unncontrolled way. |
| Cancer cells | Form tumors, crown out normal cells, break off and travel to other parts of the body |
| Treatments | Chemo, radiation and surgery |
| Type one diabetes | pancreas does not produce insulin |
| Type two diabetes | caused by inablity to use insulin |