Across
- 4. The muscle under the lungs that helps you breathe in and out.
- 5. Where air enters the respiratory system and gets filtered.
- 6. Lung infection that causes coughing and trouble breathing.
- 8. Area where the diaphragm moves to help you breathe.
Down
- 1. The process of inhaling oxygen and exhaling carbon dioxide.
- 2. Organs that bring in oxygen and release carbon dioxide.
- 3. Bones that protect the lungs and help with breathing.
- 7. Condition where airways are narrow, making it hard to breathe.