Across
- 4. clothing of pathogen
- 5. disease causing agent
- 9. skin,hair,nails
- 11. gland cools body
- 13. inner layer
- 15. moisten skin and hair
- 17. connects, exchanges
- 18. fight infection
Down
- 1. outer layer
- 2. weak or dead
- 3. redness,sweating,and heat
- 4. destroys bacteria
- 6. destroys pathogen
- 7. cause scabs
- 8. destroys virus
- 10. towards the heart
- 12. spot pathogen
- 14. carriesO2
- 16. away from the heart