wyatt

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Across
  1. 3. close to heart
  2. 8. fight infection
  3. 9. destroys bacteria
  4. 11. redness swelling and heat
  5. 13. causes scabs
  6. 16. moisten skin and hair
  7. 18. connects exchanges
  8. 19. carries o2
Down
  1. 1. destroy pathegon
  2. 2. destroys virus
  3. 4. outer layer
  4. 5. away from heart
  5. 6. marks the pathogen
  6. 7. spot pathogen
  7. 10. disese causing agent
  8. 12. skin hair nails
  9. 14. cools body
  10. 15. inner layer
  11. 17. weak or dead strand of a virus