pulmonary fun: anatomy

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Across
  1. 3. lies above the first rib
  2. 4. pleura, inner layer
  3. 5. pleura, outer layer
  4. 7. ETT too advanced in this bronchus
  5. 8. ridge at base of trachea, helps in ETT placement
Down
  1. 1. contains serous fluid
  2. 2. helps draw air into lungs
  3. 3. air sacs, allow for gas exchange
  4. 6. ring shaped cartilage of the larynx