Across
- 1. Warms and moistens air
- 7. Smaller subdivisions off each bronchi
- 9. Diffusion of Oxygen and Carbon Dioxide between the bloodstream and the lungs
- 10. Air sac responsible for gaseous exchange
Down
- 2. Gas our body needs to survive
- 3. Sheet of muscle that contracts to breath in
- 4. Windpipe with 18 rings of cartilage providing a passageway for air from your voice box to bronchi
- 5. Passageway for air that splits off into the left and right lung
- 6. Filters and traps dust from the air
- 8. Muscles between each rib that contracts to move each rib cage during breathing
- 11. Pair of breathing organs