Across
- 2. main muscle in respiration, controls breathing
- 6. helps expel particles out of the lungs
- 7. leads air into the bronchi
- 9. also known as the voice box
- 10. leads from the trachea into the lungs
Down
- 1. exchange exchange of carbon dioxide and oxygen with air and blood through diffusion
- 3. place of gas exchange
- 4. moistens tissues and filters air
- 5. tube first receiving air from the mouth/nose
- 8. small tubes leading into the alveoli