The Respiratory System

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Across
  1. 5. sends air to the lungs
  2. 7. helps collects air
  3. 9. helps you to smell
  4. 10. air tubes that connect
  5. 11. smallest blood vessels
Down
  1. 1. the process of moving
  2. 2. inflates and deflates the lungs
  3. 3. gets delivered to cells
  4. 4. splits air into lungs
  5. 6. air sacs that exchange oxygen
  6. 8. protect lungs