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