Across
- 3. the narrow space located right after the mouse
- 5. located after the larynx
- 6. system supply blood with oxygen
- 7. where exchange of gases takes place
- 9. air that we breath that enters the lungs
- 10. cone shape organs of respiration
Down
- 1. where the alveoli is attached
- 2. sheet of smooth muscle located below the lungs
- 4. process of drawing air into the lungs
- 8. the organ that connects the pharynx and trachea