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