Respiratory System

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Across
  1. 2. Small sacs that allow oxygen and carbon dioxide between the lungs and the bloodstream
  2. 5. The passages that direct air into the lungs
  3. 6. What the Respiratory System filters out
  4. 8. The "Voice Box" of the body
  5. 9. The "Windpipe" located beneath the larynx
Down
  1. 1. The passage from the stomach to the lungs
  2. 3. The most important part of the Respiratory System
  3. 4. The system the Respiratory System works with
  4. 7. You inhale _____ and exhale carbon dioxide