Across
- 3. cools body
- 4. weak or dead strand
- 7. destroys bacteria
- 9. clothing to spot the pathogen
- 10. outerlayer
- 12. connects exchanges
- 13. destroy virus
- 14. towards the heart
- 15. causes scabs
- 16. carries oxygen
- 18. spots pathogen
- 19. destroy pathogen
Down
- 1. skin hair nails
- 2. disease causing agent
- 5. away from the heart
- 6. moistens body
- 8. redness swelling and heat
- 11. fighting infection
- 17. inner layer
