Respiratory System

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Across
  1. 3. the voice box is a part of the respiratory system
  2. 5. airways that lead into lungs are called?
  3. 6. dirty air or waste our respiratory system needs to get rid off. If it can't we die!
Down
  1. 1. the windpipe without which we would all die!
  2. 2. air sacs or little cushions inside the lung that fill up with oxygen
  3. 4. the front section of the neck above the larynx
  4. 5. is connected to the bronchi and are smaller airways just before the lungs
  5. 7. muscle that helps you to breathe at the bottom most part of the respiratory system