Respiratory System Test

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Across
  1. 1. tiny branch of air tubes in the lungs
  2. 3. breaking up of sugars in a cell to get energy
  3. 5. proteins with a sorting signal travel to and from different cellular compartments
  4. 6. serous membrane covering the lungs and lining the thoracic cavity
  5. 9. exchanging oxygen with carbon dioxide in the bloodstream
  6. 10. the amount of extra air exhaled during a forceful breath out
  7. 12. spreading something throughout
Down
  1. 2. maximum amount of additional air that can be inhaled after a normal inhale
  2. 4. amount of air that moves in or out of the lungs with each respiratory cycle
  3. 7. maximum value of air the lungs can accomodate
  4. 8. the amount of air remaining in the lungs after maximum forceful expiration
  5. 11. the volume of air that can be exhaled from the lungs after the deepest possible breath has been taken