Respiratory System

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Across
  1. 3. volume of air that the lungs can expel after normal
  2. 5. gas exchange process in the body
  3. 7. junction between the digestive tract and respiratory tract
  4. 9. the process of releasing air from the lungs
  5. 12. filtering by hairs and mucous membranes
  6. 14. the base of the throat
Down
  1. 1. or lining of the lungs
  2. 2. dioxide from exhalation
  3. 4. ribs raised and chest cavity enlarged flat diaphragm
  4. 6. trunk of the windpipe
  5. 8. the place of air exchange in the lungs
  6. 10. the mirror becomes condensed
  7. 11. branching off from the bronchi
  8. 13. branching off the trachea