Respiratory System Activity

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Across
  1. 2. 'Voicebox'
  2. 3. Hollow pockets connected to the nasal cavity
  3. 7. Scientific word for inhalation
  4. 9. Tiny air sacs covered in blood vessels
  5. 10. Muscle that controls pressure in the lungs
Down
  1. 1. Carbon dioxide mix to produce...
  2. 4. The coating on the respiratory membrane
  3. 5. Has three lobes on one side, two on the other
  4. 6. Type of disorder that involves muscle
  5. 8. The pressure exerted by gas