Respiratory System

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Across
  1. 3. The back of your throat'
  2. 6. Band of muscle that draws air into your lungs.
  3. 7. Your windpipe.
Down
  1. 1. Areas that feel stuffy when you have a cold.
  2. 2. Your voice box.
  3. 4. Your air sacs that you use to breathe.
  4. 5. They look like tree branches inside your lungs.