RESPIRATORY SYSTEM

3. Breathing, which includes the bronchioles, alveolar tubes, alveolar sacs, and alveoli, is the only place.
6. Air must go in and out of the lungs so that the gas in the air sacs is continuously refreshed, this is called.
9. Enzymes that are in mucus destroy bacteria chemically called.
13. Alveolar macrophages are very efficient, sometimes called.
15. Eight rigid hyaline cartilages and spoon-shaped elastic cartilage folds are called.
16. The inside of the nose consists of the nasal cavity, which is separated by.
18. The ones that house the heart of large blood vessels, bronchi, rumbling, and other organs are called.
19. The respiratory system that is visible externally is.
20. The narrow superior part of each lung, the apex, lies deep inside.

1. Carbon dioxide removal is included in the function.
2. Keeps the body supplied with oxygen is the job of.
4. The smallest conducting channel is.
5. The tubes that allow air to reach the lungs are called.
7. Gap-like pathways between the vocal cords are.
8. Lingual tonsils located at the base.
10. The normal respiratory rate is called.
11. The main function of the respiratory system is to supply oxygen to the body and remove carbon dioxide. To do this, at least 4 different events must occur, collectively called.
12. Epithelial cells maked up most of the alveolar wall are thick cuboidal cells, which produce lipid (fat) molecules called.
14. Pharyngeal tonsils are often called.
17. The largest hyaline cartilage is shield-shaped thyroid cartilage, which protrudes anteriorly and is usually called.