Respiratory System
Across
- 1. Your Lungs are the only organ that _____.
- 5. protects your lungs
- 7. condition that narrows airways in your lungs and produces excess mucus
- 8. small air sacs attached to the ends of bronchioles
Down
- 2. protect small organs such as the bronchi, bronchioles and alveoli
- 3. passage for inspired and expired air to travel
- 4. split section of the trachea
- 6. separates the chest and abdominal cavity