Across
- 2. When immune system reacts to something "harmless"
- 4. The immune system attacks when these enter the body
- 6. This liquid has germ-killing properties
- 7. The linings of your nose & mouth are...
- 8. This structure is in the center of many cells.
- 10. You have lots of these in your nose to trap germs
- 11. This is a kind of fever that you can’t catch
- 12. Disease-causing agents are called...
- 14. Also called microorganism
- 15. Illness with a red, blotchy rash
- 16. Helps tag & destroy invaders before they can spread
- 19. Microbe-trapping slime in the nose is called ...
- 20. Some immune cells [blank] up invaders like candy
- 21. There are many kinds of this defender cell
Down
- 1. Microbe that doesn't have a defined nucleus
- 3. Type1 is caused by an immune system mistake
- 5. Something that triggers an immune response
- 7. A useful tool for observing microbes
- 9. Another word for "mutate"
- 13. The approximate # of cells in the immune system
- 17. When harmful microbes invade & start reproducing
- 18. This immune system cell is destroyed by HIV