Across
- 4. Airways branching from the trachea.
- 5. Tiny air sacs where oxygen is absorbed.
- 7. System responsible for breathing.
- 9. Dome-shaped muscle aiding in breathing.
- 10. Main organ for gas exchange in the body.
Down
- 1. Organ responsible for pulmonary ventilation.
- 2. Process of breathing in.
- 3. Process of breathing out.
- 6. Windpipe connecting the larynx to the bronchi.
- 8. Essential gas for cellular respiration.