Respiratory System Crossword

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Across
  1. 5. Tubes that connect the lung to the windpipe
  2. 6. The where air enters the body
  3. 7. Helps keep food out of the lungs
  4. 8. Helps your lungs contract
Down
  1. 1. Air enters this part, and helps you talk
  2. 2. How air travels to the lungs
  3. 3. The main part of the system
  4. 4. A large cage-like structure that houses many organs including the lungs