Human nose  

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-[[Image:Napoleon III nose caricatures from Schneegans History of Grotesque Satire.jpg|right|thumb|200px|[[Caricature]] of [[human nose]]<br>+[[Image:Napoleon III nose caricatures from Schneegans History of Grotesque Satire.jpg|right|thumb|200px|Caricature of human nose<br>
-Illustration: ''[[Napoleon III]] nose caricatures from Schneegans's ''[[History of Grotesque Satire]]'' ]]+Illustration: [[Napoleon III]] nose caricatures from Schneegans's ''[[History of Grotesque Satire]]'' ]]
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Revision as of 09:17, 2 November 2013

Caricature of human nose Illustration: Napoleon III nose caricatures from Schneegans's History of Grotesque Satire
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Caricature of human nose
Illustration: Napoleon III nose caricatures from Schneegans's History of Grotesque Satire

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Train wreck at Montparnasse (October 22, 1895) by Studio Lévy and Sons.
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Train wreck at Montparnasse (October 22, 1895) by Studio Lévy and Sons.

The visible part of the human nose is the protruding part of the face that bears the nostrils. The shape of the nose is determined by the ethmoid bone and the nasal septum, which consists mostly of cartilage and which separates the nostrils. On average the nose of a male is larger than that of a female.

The nose has an area of specialised cells which are responsible for smelling (part of the olfactory system). Another function of the nose is the conditioning of inhaled air, warming it and making it more humid. Hairs inside the nose prevent large particles from entering the lungs. Sneezing is usually caused by foreign particles irritating the nasal mucosa, but can more rarely be caused by sudden exposure to bright light (called the photic sneeze reflex) or touching the external auditory canal. Sneezing is a means of transmitting infections because it creates aerosols in which the droplets can harbour microbes.

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Unless indicated otherwise, the text in this article is either based on Wikipedia article "Human nose" or another language Wikipedia page thereof used under the terms of the GNU Free Documentation License; or on original research by Jahsonic and friends. See Art and Popular Culture's copyright notice.

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