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8105672843nares (nostrils)external openings0
8105672844Pharynx (throat)Passageway for air, leads to trachea1
8105672845nasopharynxpart of the pharynx directly behind the nasal passages2
8105672846nasal turbinatesscroll-like cartilages covered with highly vascular mucous membranes3
8105672847ciliated columnar epitheliumwalls of the nasal cavity are composed of these cells4
8105672848meatusesconstricted passageways that produce air turbulence5
8105672849epistaxisnosebleed6
8105672850nasal sinusesair filled spaces in the cranium and maxilla7
8105672851frontal sinusunder the frontal bone8

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