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The nose is the organ of smell, part of the of respiratory system, and it adds nasal sounds to the voice. Air passes through a lining of stiff hairs that catch dust particles and small insects before entering the nasal passages where it is warmed and moisturized before passing into the respiratory system on its way to the lungs. The olfactory nerve (nerve of smell), is located in the soft mucous membrane inside the nose.

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14y ago

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