Across
- 1. connects exchanges
- 6. cools body
- 10. fight infection
- 12. towards the heart
- 13. destroys bacteria
- 14. carrieO2
- 15. weak or dead
- 18. skin hair nails
Down
- 2. disease
- 3. cause scabs
- 4. gland moisten skin and hair
- 5. redness swelling and heat
- 7. clothing
- 8. outer layer
- 9. spot pathogen
- 11. destroys pathogen
- 16. away from the heart
- 17. inner layer