Across
- 2. skin,hair,nails
- 4. outer layer
- 6. inner layer
- 7. destroys bacteria
- 9. moisten skin and hair
- 11. toward the heart
- 13. cools body
- 15. carries o2
- 18. disease causing agent
- 19. Clothing of the pathogen
Down
- 1. cause scabs
- 3. fight infection
- 5. weak or dead strand
- 8. spot pathogen
- 10. destroys virus
- 12. away from the heart
- 14. redness,swelling and heat
- 16. destroys pathogen
- 17. connects,exchange