Answer :
if you walk past a bakery and the delirious sent of cookies Couse your mouth to water the stimulus is odor.
Olfaction, sometimes known as the sense of smell, is a unique sense that allows people to perceive smells or aromas. The sense of smell serves a variety of purposes, including identifying tasty foods, potential dangers, and pheromones. It also affects taste.
When an odor connects to a receptor in the nasal cavity in humans, the olfactory system sends a signal to the brain. Glomeruli combine the impulses from these receptors and send these to olfactory bulb where information will begin to interact with the brain regions in charge of scent recognition, memory, and emotion.
Olfaction can be altered, absent, or disturbed for a variety of reasons, including harm olfactory receptors, core issues affecting the brain, and many others.
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