Across
- 3. a sign
- 5. An oily substance found on the skin
- 8. A special chemical released by injured cell
- 9. a free living organism
- 10. high temperature
- 11. A type of one blood cell
- 13. abnormal enlargement
- 14. builds and maintains your body
Down
- 1. A liquid component of your blood
- 2. recognising yourself
- 4. When something is inflamed
- 6. A chemical barrier
- 7. Shield of protection
- 11. An organism that causes a disease
- 12. a white blood cell