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md0006 - BASIC HUMAN ANATOMY.pdf - Raems.com

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7-5. INFRALARYNGEAL STRUCTURES<br />

Figure 7-3. The larynx.<br />

a. Trachea and Bronchi. The respiratory tree (figure 7-4) is the set of tubular<br />

structures which carry the air from the larynx to the alveoli of the lungs. Looking at a<br />

person UPSIDE DOWN, the trachea is the trunk of the tree and the bronchi are the<br />

branches. These tubular parts are held open (made patent) by rings of cartilage. Their<br />

lining is ciliated to remove mucus and other materials that get into the passageway.<br />

MD0006 7-7

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