System's of the Body Crossword Puzzle

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Across
  1. 2. microorganisms that cause disease
  2. 6. nose+mouth, throat, voicebox
  3. 7. immune system that no longer protects against infection
  4. 9. clear fluid that fills space around body cells. filtered by lymph nodes
  5. 11. trachea/bronchi tubes are narrowed
  6. 12. between blood and cells
  7. 15. The tissues and organs that produce, store, and carry white blood cells that fight infections and other diseases.
  8. 17. inflammation of the bronchi
  9. 18. inflammation of sinus cavity
  10. 19. contagious bacterial infection on lungs
  11. 20. inflammation of lining of chest cavity
Down
  1. 1. inflammation of tonsils
  2. 3. lung condition that progressively destroys walls of alveoli and lungs
  3. 4. between environment and blood
  4. 5. The organs that are involved in breathing.
  5. 8. issue that affects heart
  6. 10. inflammation of the lungs
  7. 13. wind pipe, bronchial tubes, lungs, alveoli
  8. 14. way of keeping heart healthy
  9. 16. cancer in lymph tissue in lymph nodes