Across
- 4. Consists of the trachea, bronchi, bronchioles, and lungs; involved in gas exchange and air transport.
- 6. The thin fluid-filled space between the two layers of the pleura (membranes surrounding the lungs), allowing smooth lung movement during breathing.
- 9. A muscular tube that connects the nose and mouth to the larynx and esophagus; it serves as a pathway for both air and food.
- 10. Also called the windpipe, this tube carries air from the larynx down into the bronchi and lungs.
- 14. The amount of air remaining in the lungs after a maximum exhalation; prevents lung collapse.
- 15. The amount of air inhaled or exhaled during a normal breath.
- 16. Smaller branches of the bronchi that further divide and lead to the alveoli; they help control the flow of air.
Down
- 1. A condition in which fluid accumulates in the alveoli of the lungs, making it difficult to breathe and impairing gas exchange.
- 2. Includes the nose, nasal cavity, sinuses, pharynx, and larynx; responsible for filtering, warming, and humidifying incoming air.
- 3. Bands of muscle located in the larynx that vibrate to produce sound when air passes through them.
- 5. Also known as the voice box, it is located below the pharynx and contains the vocal cords; it directs air into the trachea and helps produce sound.
- 7. A pair of spongy organs where gas exchange occurs; oxygen is absorbed into the bloodstream and carbon dioxide is released.
- 8. A device used to measure lung volumes and capacities, especially vital capacity and tidal volume.
- 11. The two main branches of the trachea that lead into the left and right lungs, carrying air deeper into the lungs.
- 12. The maximum amount of air a person can exhale after a maximum inhalation; indicates lung health.
- 13. Tiny air sacs at the end of bronchioles where gas exchange takes place between the lungs and the blood.