Across
- 4. Trouble_breathing
- 6. Sound_indicating_air
- 8. During_inspiration_the_diaphragm...
Down
- 1. Size_or_space
- 2. Short_bilateral_breaths
- 3. 21%_atmospherically
- 5. Abnormal_to_use_these_muscles_breathing
- 7. The_system_for_gas_exchange
- 9. Pulmonary_organ