Across
- 3. coordinate activities of adaptive immunity
- 5. means life
- 7. means against
- 8. target viruses
- 10. bone marrow that is mostly made of fat cells
- 12. occurs in red bone marrow and develops cells
- 14. produces and matures T cells
Down
- 1. this system connects with the nervous system by filtering fluid
- 2. something that the immune system recognizes as foreign to the body
- 4. first line of defense against pathogen that enter the digestive and respiratory tracts
- 6. engulf and digest pathogens
- 7. a type of self destruction by release of perforin
- 9. protein that help defend against foreign substances
- 11. way of exposing your body to a weakened or inactive form of a pathogen
- 13. blood cells that fight against infections and protect against diseases
