The Breathing System

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Across
  1. 2. A large muscle found at bottom of rib cage.
  2. 7. The type of gas we breathe in.
  3. 8. Another word for breathing system.
  4. 11. Exchange, Process where gases are swapped in the alveoli.
  5. 12. The Thin blood vessels found in the alveoli.
  6. 15. Another word for your voice box.
  7. 17. A type of Protein structure used to keep tubes open.
  8. 18. The intermediate type of blood vessels,
  9. 19. The most abundant gas in the atmosphere.
  10. 20. Fibrosis, a type of Breathing disorder.
  11. 21. Another word for Food tube.
  12. 22. A part of the nose we breathe in.
  13. 23. Food enters here.
Down
  1. 1. This is the verb for the movement of gases.
  2. 3. Gas Exchange occurs here.
  3. 4. The breathing in of air.
  4. 5. Two tubes that branch off of the trachea.
  5. 6. Thin tubes with no cartilage in them.
  6. 9. A type of Breathing disorder.
  7. 10. Dioxide, The type of gas we breathe out.
  8. 13. Another word for your throat.
  9. 14. The breathing out of air.
  10. 16. The biggest type of Blood Vessels.