Across
- 2. Hairs in the nose that stop dust from getting into the lungs
- 4. Tiny ends of bronchioles where capillaries exchange gas
- 6. The organ that controls breathing and expands and contract
- 9. Chemical in deoxygenated blood to be breathed out
- 10. Windpipe
- 12. Lid above the pharynx to stop food from getting into the windpipe
- 14. capacity The amount that your lungs can expand to
- 15. Throat behind the mouth and nasal cavity
Down
- 1. Smaller tubes inside lungs branching off from bronchi and into alveoli
- 3. Tube leading from the trachea to the lung
- 4. A chronic medical condition obstructing airflow
- 5. Breathe out carbon dioxide
- 7. Breathe in oxygen
- 8. Muscle under the lungs that allow ventilation
- 11. The ventilation process of gas exchange
- 13. The chemical breathed in that is transported to organs
- 14. Voice box