Across
- 2. blood cell: carries O2
- 7. "clothes" of the pathogen ski mask
- 8. destroy bacteria
- 9. cause scabs
- 10. gland: moisten skin and hair
- 11. outer layer
- 13. redness, swelling,and heat
- 15. destroy pathogen
- 16. away from the heart
- 17. towards the heart
- 18. spot pathogen
Down
- 1. inner layer
- 3. blood cell: fight infection
- 4. disease causing agent
- 5. virus,bacteria,fungus,parasites
- 6. connects, exchanges
- 7. destroy virus
- 12. gland: cools body
- 14. system: skin,hair,nails