Across
- 2. site of gas exchange in the lungs
- 6. location where oxygen enters blood
- 7. membrane surrounding the lungs
- 12. area where bronchi and vessels enter lung
- 13. located where trachea splits into two tubes
- 14. membrane directly covering lungs
- 15. membrane lining chest wall
- 18. muscle located below the lungs
Down
- 1. space between the lungs
- 3. organ located in the chest cavity
- 4. carries air from larynx to bronchi
- 5. space between lung membranes
- 8. top part of the lung
- 9. small airways inside the lungs
- 10. carries blood from heart to lungs
- 11. located behind nose and mouth
- 13. bottom part of the lung
- 15. carries blood from lungs to heart
- 16. located behind the trachea
- 17. located between pharynx and trachea