Respiratory System

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Across
  1. 4. passageway that carries air to and from your lungs
  2. 5. also known as the windpipe
  3. 6. muscular passageway
  4. 7. vibrates to talk
Down
  1. 1. eating,speaking and breathing
  2. 2. helps you smell,filter air
  3. 3. flattens to pull air in, relaxes to push air out