Across
- 3. Other word for windpipe
- 4. The top part of the trachea
- 6. The small tubes that take air through the lungs
- 7. Tiny air sacs where oxygen and carbon dioxide are exchanged
- 8. Dome-shaped muscle separating the lungs and stomach cavity; helps with breathing
- 9. The main organs in the respiratory system
Down
- 1. Taken in during inhale and moved to the blood
- 2. 2 words; leaves the blood through the alveoli and expelled during exhale
- 5. The tube that connects the nasal cavity and mouth to the larynx
- 6. The two tubes that separate from the trachea into the lungs