Across
- 5. cause scabs
- 8. outer layer
- 9. connects. exchanges
- 10. fight infection
- 11. redness, swelling,and heat
- 15. cools body
- 16. clothing of the pathogen, ski mask
- 17. inner layer
- 18. spot pathogen
Down
- 1. Skin,Hair,Nails
- 2. moisten skin and hair
- 3. Destroys bacteria
- 4. weak or dead strand
- 6. carries oxygen
- 7. destroy pathogen
- 12. away from the heart
- 13. towards the heart
- 14. disease causing agent