crossword

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