Across
- 2. connecting
- 5. infection
- 6. a change in the DNA
- 7. isolating were a person has been infected by a disease
- 9. central importance
- 10. the study of health problems
- 12. an important part of the government
- 13. accurate
- 14. a bacterium
Down
- 1. a medicine that kills bacteria
- 3. a microscopic organism that can only be seen through a microscope
- 4. certain to happen
- 8. a substance in your immune system producing antibodies
- 11. respiratory