Across
- 2. gathers information to fight pathogens if it comes back
- 4. interferes with viruses and helps activate macrophages
- 8. an immediate active defense upon infection
- 12. first on the scene to fight infection
- 14. this includes the skin and mucous membranes
- 15. receptor that matures in the thymus
Down
- 1. key players in the adaptive immunity
- 3. agents that cause disease
- 5. detect abnormal cells, stop the spread of cancerous cells
- 6. involves a specific response to a pathogen and slower to develop
- 7. a small part of an antigen that binds to an antigen receptor
- 9. instead of B cells, antibodies defend against pathogens
- 10. throughout the body and originate from monocytes
- 11. recognize antigen presented through MHC & directly destroy cells
- 13. an example of a systemic inflammatory response