Across
- 2. gland cools body
- 4. always from the heart
- 5. destroys bacteria
- 6. outer layer
- 8. towards the heart
- 11. carries O2
- 14. spots pathogen
- 17. clothing of the pathogen
- 18. destroys virus
- 19. fight infection
Down
- 1. redness,swelling and heat
- 3. weak or dead
- 7. disease causing agent
- 9. system skin,hair,nails
- 10. gland moistens skin and hair
- 12. destroys pathogen
- 13. inner layer
- 15. causes scabs
- 16. connects,exchange