Respiratory System

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Across
  1. 2. the thing we inhale and keep in our systems while we exhale the other chemcal
  2. 6. the system that allows us to breathe
  3. 7. inhaling and exhaling air
  4. 8. the gas exchange happens beetwen oxygen and carbon dioxide
Down
  1. 1. transfers air from outside to the cell tissues
  2. 3. these two things give blood oxygen from air
  3. 4. They vibrate, modulating the flow of air being expelled from the lungs
  4. 5. they are the first passage ways which air passes through the nose or mouth to the sacs of the lungs
  5. 9. walls of cartilage and muscle and containing the vocal cords filled with mucous membrane.