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