Olfaction, the sense of odor (smell), is the detection of chemicals dissolved in air (or in water, by animals that live under water).
In vertebrates smells are sensed by the olfactory epithelium located in the nasal cavity and first processed by the olfactory bulb in the olfactory system.
For more information about the topic Olfaction, read the full article at Wikipedia.org, or see the following related articles:
Editor's Note: This article is not intended to provide medical advice, diagnosis or treatment.
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