Anatomy Chapter21 Notes

Chapter 21 The respiratory System I. Functional Anatomy of the respiratory System (pp. 614630, Figs. 21.121.14, and get across 21.1) A.The function of the respiratory constitution is to supply the body with atomic number 8 and discard of carbon dioxide. (p. 614) B.Respiration involves the following processes: pulmonary ventilation, impertinent respiration, transport of respiratory gases, and internal respiration. (p. 614) C.The nose and paranasal sinuses be functional variety meat of the respiratory system. (pp. 614618, Figs. 21.121.4, and Fig. 7.10) 1.The nose and nasal nether region tin an airway for respiration and house olf constituteory receptors. 2.Respiratory mucosa lines the nasal dental caries and paranasal sinuses. 3.Nasal conchae outgrowth turbulence as air passes by dint of the nasal cavity. 4.paranasal sinuses drain into the nasal cavity. D.The funnel-shaped throat connects the nasal cavity and the oral ex am cavity to the articulation box and esophagus; three parts of the pharynx argon the nasopharynx, the oropharynx, and the laryngopharynx. (pp. 618619, Figs. 21.1 and 21.3) E.The larynx is the voice box and entryway into the trachea. (pp. 619621, Figs. 21.521.6) 1.The larynx contributes significantly to voice production. 2.

The call folds of the larynx may act as a sphincter to prevent the passage of air. 3.fervor of the larynx is served by recurrent laryngeal nerves that are branches of the vagus. F.The trachea is the windpipe connecting the larynx to the chief(a) bronchi. (pp. 62 1622, Fig. 21.7) G.The even up and re! maining primary bronchi are the largest conduits for air in the conducting zone of the bronchial tree. (pp. 622624, Fig. 21.8, Table 21.1) 1.Secondary bronchi (lobar bronchi) enter each lobe of the right and left over(p) lung. 2.Segmental bronchi branch from the secondary bronchi to serve each lung segment. H. strategical changes in connective tissues, epithelium, and smooth muscle occur on the length of the...If you want to get a full essay, rules of enjoin it on our website: OrderCustomPaper.com

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