caption: 6 Nasal cavity  Air passes through nares (nostrils)  Nasal septum divides nasal cavity in midline (to right & left halves)  Perpendicular plate of ethmoid bone, vomer and septal cartilage  Connects with pharynx posteriorly through choanae (posterior nasal apertures*)  Floor is formed by palate (roof of the mouth)  Anterior hard palate and posterior soft palate * palate
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