Courtney1

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