Chapter 16 The Respiratory System

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Across
  1. 4. tiny air sacs at the ends of the terminal bronchioles
  2. 5. the ease with which the lungs expand in the thorax
  3. 7. essential element which is carried through the cardiovascular system
  4. 8. the expulsion of air from the lungs
  5. 10. the process by which oxygen is obtained and delivered
  6. 12. the drawing of air into the lungs
  7. 14. excessive rate of breath
Down
  1. 1. sensors which detect arterial blood gas levels
  2. 2. the windpipe leading to both lungs
  3. 3. increased arterial CO2 levels
  4. 6. this nerve controls the diaphragm
  5. 9. the voice-box containing the vocal cords
  6. 11. the throat
  7. 13. lack of breathing