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Human Nose

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Human Nose
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Availability: In stock

Human Nose
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Human Nose _Designed by addamay123 ( http://www.thingiverse.com/thing:306031 ) _Nose, the prominent structure between the eyes that serves as the entrance to the respiratory tract and contains the olfactory organ. It provides air for respiration, serves the sense of smell, conditions the air by filtering, warming, and moistening it, and cleans itself of foreign debris extracted from inhalations. _The nose has two cavities, separated from one another by a wall of cartilage called the septum. The external openings are known as nares or nostrils. The roof of the mouth and the floor of the nose are formed by the palatine bone, the mouth part of which is commonly called the hard palate; a flap of tissue, the soft palate, extends back into the nasopharynx, the nasal portion of the throat, and during swallowing is pressed upward, thus closing off the nasopharynx so that food is not lodged in the back of the nose. _In the olfactory (smelling) portion of the nose, most of the lining is mucous membrane. A small segment of the lining contains the nerve cells that are the actual sensory organs. Fibres, called dendrites, which project from the nerve cells into the nasal cavity, are covered only by a thin layer of moisture. (according to the Encyclopedia Britannica)
Additional Information

Additional Information

SKU 10000431
Length [mm] 57.03
Width [mm] 85
Height [mm] 27.55
Volume [cm³] 23.82
Area [cm²] 85.04
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