| A | B |
|---|
| pathogen | an organism, virus or a protein that causes disease |
| Inflammatory response | the body's 2nd line of defense against pathogens. Causes increased blood flow to the area, swelling and redness occur; Can also cause an increase in body temperature - fever. |
| t-cells | Some coordinate the body's immune response, while some attack infected body cells |
| Disease | the breakdown ot the body or body system |
| Vaccine | A substance prepared from killed or weakned pathogense that is introduced into the body to produce immunity. |
| Vector | An animal capable of spreading an infectious disease |
| Infectious disease | A disease caused by a pathogen that can be spread from organism to organism |
| Macrophage | A white blood cell that destroys pathogens b y engulfing and digesting them. Help start the body's immune response to antigens. |
