Nasal Cavity: Nasal conchae are scroll-shaped bones that divide the nasal cavity into
passageways.
Conchae support mucous membranes, and increase the surface area to
warm, moisturize, and filter incoming air.
Particles trapped in the mucus are carried to the pharynx by action of cilia,
swallowed, and carried to the stomach, where gastric juice destroysmicroorganisms in the mucus