Across
- 2. mammals can change the size of their lungs to dive down deep
- 4. vocal cords and used for breathing, swallowing, and talking
- 5. is a common disease that can be treated with an inhaler
- 6. a heater, humidifier
- 7. have nares humans have nostrils
- 8. is bigger than the left to accommodate the heart.
Down
- 1. is a voice box and the airway to the larynx
- 3. very bad drug that can give you lung cancer
- 4. job is to move fresh air into your body while removing waste gases and the exchange of oxygen and carbon dioxide