1. pleura lines the thoracic cavity. 2. tonsils are located in the laryngopharynx. 3. volume is the volume that remains after the most forceful exhalation. (1200 ml) 4. A disease of the lungs in which the walls of alveoli lose elasticity and remain filled causing increased chest size (barrel-chested) is called . 5. Breathing in; or inhaling is called . 6. Breathing out; exhaling is called . 7. Difficult expiration caused by spasms in the muscles surrounding the bronchioles, often caused by allergic reactions, is called . 8. Inflammation of the bronchi is called . 9. Inflammation of the pleura is called . 10. Mucus in the respiratory system is pushed upward by . 11. Normal breathing volume (normally about 500 ml. per breath) is called . 12. Oxygen deficiency is called . 13. Secondary bronchi branch into smaller tubes called . 14. Sputum is another term for . 15. The pleura covers the lungs. 16. The is the narrow portion at the top of the lungs. 17. The is the volume that can be inhaled after normal inspiration. (3000 - 3300 ml) 18. The is commonly called the voice box. 19. The pharyngeal tonsils are also called the . 20. The tonsils are located in the nasopharynx. 21. The Adam's Apple is composed of the cartilage of the larynx.