Final answer:
The sense of smell is known as olfaction. Olfaction involves receptors in the nose detecting odor molecules and transmitting signals to the brain for processing.
Step-by-step explanation:
The sense of smell is known as olfaction. Olfaction is a chemical sense that involves receptors in the nose detecting odor molecules and transmitting signals to the brain for processing. When odorant molecules bind to olfactory receptors in the nasal mucosa, they send signals to the olfactory bulb and other areas of the brain, including the olfactory cortex.