Across
- 3. Type of barrier skin, cilia, mucus membranes
- 7. system that has fights off invading pathogens
- 9. stage after convalescent stage
- 12. proteins that tie up pathogens
- 14. simplest type of pathogen, multiply and takeover reproductive mechanisms
- 15. can occur after Convalescence stage
- 18. an organism that causes disease
Down
- 1. killer cells, produce interferon that regulates function of immune system
- 2. temporary immunity ie. flu vaccine
- 3. a cell that "eat up" pathogens
- 4. released by white blood cells and macrophages
- 5. resistant to an infectious disease
- 6. feeling better, not 100% yet, can relapse
- 8. sensation of illness
- 10. grows in warm moist dark places
- 11. tiny hairs that move pathogens trapped
- 13. produce antibodies, memory cells
- 16. solution containing a harmless version of the virus
- 17. type of barrier: stomach acid, tears, saliva, and mucus