Respiratory System

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Across
  1. 6. TO MUCH CO2/HYDROGEN IONS
  2. 9. LOWER RESPIRATORY INFECTION
  3. 11. CONSTANT GAS EXCHANGE
  4. 12. FACILITATE GAS EXCHANGE
  5. 13. SENSE OF SMELL
  6. 14. HEAD COLD
  7. 16. BRONCHI
  8. 17. OUTSIDE THE CHEST CAVITY
  9. 20. THROAT
  10. 21. NOT ENOUGH CO2/HYDROGEN IONS
  11. 22. EXTERNAL GAS EXCHANGE
Down
  1. 1. PRIMARY CONTROL CENTER
  2. 2. GRAPE LIKE SACS
  3. 3. CLOSES LARYNX DURING SWALLOWING/PREVENT CHOKING
  4. 4. MIDDLE SECTION OF THE THROAT
  5. 5. NOSTRILS/NOSE
  6. 7. DRAINS TEARS FROM THE EYES TO NOSTRILS
  7. 8. GAS EXCHANGE
  8. 10. TRACHEA
  9. 15. WITHIN THE CHEST CAVITY
  10. 18. INTERNAL GAS EXCHANGE
  11. 19. VOICE BOX