Across
- 4. a change that shows you are not healthy
- 5. what protects your body from diseases and infections
- 7. substances that cure infections
- 8. a continuous pain in the head
- 9. to clean something using a substance that kills bacteria
- 11. causing death
- 12. affected by harmful bacteria, viruses etc
Down
- 1. excessive nasal mucose
- 2. a period of isolation to prevent a disease from spreading
- 3. microscopic living things that cause disease
- 4. to have air come suddenly and noisily out through your nose
- 6. treatment by a medical professional
- 10. a substance that protects the body from a disease