Across
- 2. Filters, warms, and moistens air as it travels toward the lungs. Commonly known as the throat, located above the larynx.
- 3. Carries the air directly into the lungs. Breaks off into two branches (left and right).
- 5. The space between the pleura, two thin membranes that lines and surrounds the lungs. Contains pleural fluid for lubrication during contraction.
- 8. Cavity that purifies and humidifies the air breathed in. Located behind the nose and mouth.
- 9. Way for air to enter body.
- 11. Allows air to pass through but blocks food from entering the trachea.
Down
- 1. Creates a vacuum, pulling air into the lungs. When the muscle contracts, air is pulled in; when it relaxes, air is pushed out of the lungs.
- 4. Regulates temperature and humidity; and drain mucus to regulate pressure in the nasal cavity. Located below the nasal cavity and the eyes.
- 6. A flap in the throat that keeps food from entering the windpipe and the lungs. Attached on top of the larynx to allow air.
- 7. Extract oxygen from the air and transfer it to the bloodstream while releasing carbon dioxide. Located in the chest containing the bronchi, alveoli, and many blood vessels.
- 10. Carries air to and from the lungs. It connects the pharynx and larynx to the lungs.