The Immune System
Across
- 2. General term for white blood cells
- 4. Another name for the second line of response
- 6. Antimicrobal substance that works against bacteria
- 9. Another name for the first line of response
- 11. Substance that causes an immune response
- 12. The white blood cell that destroys the pathogen
- 13. Another name for the third line of response
- 14. anti-bacterial enzyme that's in tears and saliva
Down
- 1. The first line of defense that acts as a barrier for pathogens.
- 2. A general name for white blood cells
- 3. Harmful microbes/micro-organisms
- 5. A microbe that is a eukaryote
- 7. A microbe that is a prokaryote
- 8. A microbe that requires a host cell
- 10. Tiny hairs within the ears, nose, and nervous system
- 11. Helps the immune system to identify pathogens