Across
- 4. Fights infection
- 12. cools body
- 13. connects,exchanges
- 16. weak or dead strand
- 18. Hair skin nails
- 19. towards heart
Down
- 1. diease causing agent
- 2. destroy pathogen
- 3. spot pathogen
- 5. moistens skin
- 6. carry oxygen
- 7. away from the heart
- 8. redness, swelling, and heat
- 9. destroys bacteria
- 10. causes scabs
- 11. outer layer
- 14. marker
- 15. inner layer
- 17. destroys virus