cap 15 vocab

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Across
  1. 3. – substance that prevents alveoli from collapsing
  2. 4. Pressure – pressure exerted by one gas in a mixture
  3. 5. – brain centers controlling breathing rhythm
  4. 7. – windpipe carrying air to the bronchi
  5. 9. – body system responsible for breathing
  6. 12. – throat passage connecting nose/mouth to larynx
  7. 14. Tree – branching network of airways in the lungs
  8. 15. Cavity – hollow space inside the nose
Down
  1. 1. – main tubes leading into the lungs
  2. 2. – small airway branches inside the lungs
  3. 6. – voice box
  4. 8. – tiny air sacs where gas exchange occurs
  5. 10. – thin layer where gas exchange occurs
  6. 11. Capacity – maximum amount of air exhaled after a deep breath
  7. 13. – main organs used for breathing