Across
- 2. long bone that makes up the rib cage
- 4. as you are breathing it contracts and give your lungs space to expand.
- 7. houses the nostrils
- 8. houses the vocal folds.
Down
- 1. passage ways INSIDE the lung that carry ocxygen
- 3. wind pipe that connects the pharynx and larynx
- 5. brings oxygen to the blood cells.
- 6. main source of oxygen for your whole body.