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the conchae and nasal mucosa function during inhalation to filter, heat, and moisten the air. during exhalation, they reclaim this heat and moisture. the inhaled air cools the conchae, and then during exhalation these cooled conchae precipitate moisture and extract heat from the humid air flowing over them.
In anatomy, a nasal concha (or turbinate) is a long, narrow and curled bone shelf (shaped like an elongated sea-shell) that protrudes into the breathing passage of the nose.Turbinate bone refers to any of the scrolled spongy bones of the nasal passages in vertebrates.ach pair is composed of one turbinate in either side of the nasal cavity, divided by the septum. The superior turbinates are smaller structures, connected to the middle turbinates by nerve-endings, and serve to protect the olfactory bulb. The openings to the posterior ethmoidal sinuses exist under the superior meatus.