Across
- 3. disease causing agent
- 6. destroys bacteria
- 7. clothing of pathogen
- 12. carries O2
- 13. destroy pathogen
- 14. away from the heart
- 16. destroys virus
- 17. spot pathogen
- 18. moisten skin and hair
- 19. Towards the heart
Down
- 1. cools body
- 2. Fight infection
- 4. outer layer
- 5. skin hair and nails
- 8. weak or dead
- 9. redness swelling and heat
- 10. cause scabs
- 11. inner layer
- 15. connects exchange