Across
- 4. Carry oxygenated blood away from the lungs
- 5. Passage connecting your throat and lungs
- 7. Dome-shaped muscle Muscle that helps your lungs pull in and push it out air
- 9. Tiny air sacs (blue berries) in the lungs where the exchange of oxygen takes place
- 10. Two organs that remove oxygen from the air and pass it into your blood
Down
- 1. a mass of abnormal cells
- 2. Bones that surround and protect your lungs and heart
- 3. Small branches of the bronchial tubes that lead to the alveoli.
- 6. also known at the throat
- 8. Carry non-oxygenated blood towards the lungs