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Smelling occurs when odor molecules in the air enter our nasal passages and interact with sensory receptors. As we inhale, these molecules dissolve in the mucus lining our nasal cavity, triggering signals that our brain interprets as different scents. In the process of smelling, some of the volatile molecules evaporate from the surface of the object and reach our nasal receptors, allowing us to perceive odors.

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1y ago

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