Across
- 4. Connects Nose And Mouth canal for breathing and swallowing
- 7. Two large tubes that carry air from windpipe to lungs
- 8. Take in air and convert it into carbondioxide
- 9. Warms and also Humidifies air
Down
- 1. Voice box canal that helps produce sound
- 2. Muscle that separates the chest from the abdomin
- 3. Conects larynx to lungs for breathing
- 5. Humidifies and filters dust out of air
- 6. Smallest airways that deliver air to alveoli