The olfactory sense at work
Our sense of smell works in wondrous ways since the chemical composition of our surrounding change instantly and constantly. Our noses pick up volatile airborne compounds that interact with our olfactory receptors.
The information that we get from our surroundings pass through our noses and then to the core cortex in the brain. We, humans have about 400 types of olfactory receptors which is used to identify many different types of chemicals that have varying odor quality.
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