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Process Paper

“How Your Sense of Smell Works”

“Olfaction”(also known as olfactics) which is the medical term defining your sense of smell. It is part of the chemical sensing system, or the chemo-receptors. Sensory cells in the nose, mouth and throat have a role in helping interpret smells and taste flavors. Microscopic molecules released by substances, such as food, stimulate these sensory cells. Once the cells detect the molecules they send messages to the brain, where the smell is identified.
How does the brain recognize, categorize and memorize the huge variety of odors? In 1991, Richard Axel and Linda Buck published a paper on how the brain interprets smell. Axel and Buck discovered that 3% of the human body’s gene total is coded for the olfactory receptor types. Every olfactory receptor cell has only one type of receptor. Each receptor type can detect a small number of related molecules and responds to some with greater intensity than others. Essentially, it was......


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Approximate Word Count: 682
Approximate Pages: 3 (250 words per double-spaced page)

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