Across
- 5. an organism that causes disease
- 8. organism that can only be seen under a microscope
- 9. a plant-like living thing
- 10. attack bacteria that make you sick
- 12. system of cells and proteins that defend the body
- 13. non-living genetic code
- 15. immunity that is developed after a person is infected
Down
- 1. live bacteria that are good for you
- 2. the ability to resista particular infecrion
- 3. teach the immune system how to fight harmful germs
- 4. immunity that you are born with
- 6. a bad effect
- 7. spore producing organisms
- 11. a unicellular microorganism
- 14. helpful