Across
- 3. away from the heart
- 7. inner layer
- 8. clothing of pathogen
- 10. connects, exchanges
- 12. redness, swelling, and heat
- 14. destroy pathogen
- 16. weak or dead
- 17. blood cells fight infection
Down
- 1. system skin, hair, nails
- 2. disease causing agent
- 4. cause scabs
- 5. moisten skin and hair
- 6. outer layer
- 8. destroys virus
- 9. carries O2
- 11. destroys bacteria
- 13. spot pathogen
- 15. cools body
- 16. towards the heart