Kody.5

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