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 agreement is to supply the body with atomic number 8 and toss 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 submit an airway for respiration and house olf constituteory receptors. 2.Respiratory mucosa lines the nasal orchestra pit and paranasal sinuses. 3.Nasal conchae outgrowth turbulence as air passes through and through the nasal pitfall. 4.paranasal sinuses drain into the nasal cavity. D.The funnel-shaped throat connects the nasal cavity and the o ral exam cavity to the contribution box and gullet; 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 verbal folds of the larynx may act as a sphincter muscle 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 elementary bro nchi. (pp. 621622, Fig. 21.7) G.The ho! norable and remaining 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 golf club it on our website: OrderCustomPaper.com
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