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Respiratory System (Nasal Cavity (Epithelial lining: Pseudostratified…
Respiratory System
Nasal Cavity
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Function: to clean, warm, and humidify the incoming air
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Transnasal sinuses
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Features: Maxillary, Ethnoid, sphenoid, frontal.
Pharynx
Epithelial lining: Nasopharynx- PCCE, the oropharynx and larygopharynx- stratified squamous
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Function: Passageway for food, water, and air.
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Alveolar cells
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Type 2
Lined by cuboidal epithelium. It secretes sulfantants which prevents alveolar wall from sticking together
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Trachea: serves as a passageway. It is made out of partial rings of cartilage and is lined with PCCE.