Respiratory System

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Across
  1. 3. Muscle that moves so the lungs can breathe
  2. 6. Invertebrates like snails and clamps that have external gills
  3. 7. Cell that removes mucus from the airway
  4. 12. Air sacs where gas exchange occurs
  5. 13. A system with structures in insects
  6. 15. Main addiction for teenagers (a lot like smoking but different)
  7. 18. Air
  8. 19. Cell that secretes mucus
  9. 21. Infection that inflames the air sacs
  10. 22. Pulls air from the outside into the body
  11. 23. They have gills, lungs and thin, sensitive skin. Respiration occurs in the skin that is full of capillaries
  12. 26. Where sound is produced and vocal chords are located
  13. 27. Moves air from the nasal/oral cavity towards the larynx
  14. 29. Reason why we can't swallow and breathe at the same time
  15. 30. Main cause of lung cancer
Down
  1. 1. Blood vessels that allow nutrients from the blood to the organs and waste products to the lungs
  2. 2. Disease that has the highest death toll in the USA for smoking
  3. 4. Process that occurs in the alveoli
  4. 5. Another name for the voice box
  5. 8. A system that works hand in hand with the respiratory system
  6. 9. CO2
  7. 10. Another name for the trachea
  8. 11. Gills generally in amphibians that are exposed to the environment
  9. 14. Allows the passage of air from the environment into the lungs
  10. 16. Condition in which the airway narrows, swells and may produce extra mucus
  11. 17. Breathing out
  12. 20. Another name for vocal chords
  13. 24. Breathing in
  14. 25. Inflation of the lining of the bronchial tubes
  15. 28. Spongy organs located in the chest