Across
- 2. The state of being protected against a particular disease
- 5. substance found on the surface of a pathogen
- 6. This is a reaction to tissues damage caused by injury or infection
Down
- 1. specialized white blood cells that coordinate and perform many functions of the immune response
- 3. A network of cells,tissues, organs, and chemicals that fight off pathogens
- 4. White blood cells that surround the pathogens and destroy them with special chemicals.