| Term 
 
        | What are the two main divisions of the respiratory system? |  | Definition 
 
        | Conducting zone and the respiratory zone |  | 
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        | Term 
 
        | What is the function of the respiratory zone? |  | Definition 
 
        | sites of gas exchange; anywhere alveoli are present in the lungs |  | 
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        | Term 
 
        | What is the conducting zone? |  | Definition 
 
        | transports air to sites of gas exchange; filters, humidifies, and warms incoming air |  | 
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        | Term 
 
        | What is another name for the pharynx? |  | Definition 
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        | Term 
 
        | What is another name for the larynx? |  | Definition 
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        | Term 
 
        | What are the three components of the nose? |  | Definition 
 
        | Nasal bones, maxilla bones, and cartilages |  | 
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        | Term 
 
        | What is the only external part of the respiratory system? |  | Definition 
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        | Term 
 
        | What is another name for the nostrils? |  | Definition 
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        | Term 
 
        | What is the purpose of the nasal conchae? |  | Definition 
 
        | to increase air turbulence in the nasal cavity |  | 
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        | Term 
 
        | What are the two mucosa present in the nasal cavity? |  | Definition 
 
        | oflactory and respiratory |  | 
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        | Term 
 
        | Which mucosa is made of pseudostratified ciliated columnar epithelium? |  | Definition 
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        | Term 
 
        | What are the four paranasal sinuses? |  | Definition 
 
        | frontal, ethmoid, sphenoid, and maxillary |  | 
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        | Term 
 
        | Identify: funnel-shaped passage that connects the nasal cavity and mouth to the larynx and esophagus
 |  | Definition 
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        | Term 
 
        | What are the three divisions of the pharynx? |  | Definition 
 
        | nasopharynx, oropharynx, and laryngopharynx |  | 
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        | Term 
 
        | What is another name for the pharyngotympanic tube? |  | Definition 
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        | Term 
 | Definition 
 
        | lymphoid organs that destroy pathogens entering the pharynx |  | 
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        | Term 
 
        | What are the three tonsils? |  | Definition 
 
        | pharyngeal (singular), palatine, and lingual (paired) |  | 
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        | Term 
 
        | What are the upper and lower boundaries of the larynx? |  | Definition 
 
        | superior: hyoid inferior: trachea (continuous)
 |  | 
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        | Term 
 
        | What are the three functions of the larynx? |  | Definition 
 
        | vocalizations, open airway, and routing food and air to the proper passageway |  | 
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        | Term 
 
        | What is the glottis composed of? |  | Definition 
 
        | vocal folds and the hole formed by their separation |  | 
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        | Term 
 
        | What is the purpose of the hyaline cartilage of the trachea? |  | Definition 
 
        | to prevent collapse and esophageal distension |  | 
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        | Term 
 
        | Where does the trachea end? |  | Definition 
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        | Term 
 
        | What muscle allows the esophagus to contract during coughing/sneezing? |  | Definition 
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        | Term 
 
        | What are the glands located in the trachea? |  | Definition 
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        | Term 
 
        | Which lungs has three lobes? |  | Definition 
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        | Term 
 
        | What changes (3) as the conducting tubes of the bronchial tree get smaller? |  | Definition 
 
        | connective tissue, epithelium, and smooth muscle |  | 
        |  | 
        
        | Term 
 | Definition 
 
        | sacs of simple squamous epithelium (type I) covered with capillaries; sites of gas exchange |  | 
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        | Term 
 
        | What is the branching order of structures in the lung? |  | Definition 
 
        | bronchiole, terminal bronchiole, respiratory bronchiole, alveloar ducts, alveolar sacs |  | 
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        | Term 
 
        | There is no mucous in ______ |  | Definition 
 | 
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        | Term 
 | Definition 
 
        | AKA hilus; indentation on the mediastinal surface of the lung through which the root passes |  | 
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        | Term 
 | Definition 
 
        | blood vessels, lymph vessels, bronchi, and nerves that pass in and out of the lung |  | 
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        | Term 
 
        | What are the three thoracic compartments? |  | Definition 
 
        | right lateral, left lateral, and central mediastinal |  | 
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        | Term 
 
        | What is the purpose of compartmentalization? |  | Definition 
 
        | prevents interference of organs and spread of infection between organs |  | 
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        | Term 
 
        | What two primary brain regions that control breathing? |  | Definition 
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