Across
- 2. The air our lungs expel.
- 6. A pair of organs in the chest that supplies the body with oxygen, and removes carbon dioxide from the body.
- 7. To release air from your lungs.
- 8. The tiny circular sacs that convert O2 to CO2.
Down
- 1. The tubes that the bronchus splits into.
- 3. The air that our lungs intake.
- 4. The muscle in charge of inflating and deflating the lungs.
- 5. To intake air into your lungs.