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colleen colleen
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Posts: 17077
12 years ago
The human nose can detect aromas that the most sophisticated machines fail to detect.  Explain what happens when you inhale vapors (airborne chemical molecules) from a rose.
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12 years ago
When you inhale, airborne molecules trigger responses in receptors located in the mucous membranes of the nasal passages.
The signals in the receptors are sent to the olfactory bulb made up of the receptors’ axons.
From the olfactory bulb, the information travels to higher regions of the brain.
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