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Odor receptors discovered in lungs: Just like ones in the nose, but instead of conjuring up a cup of coffee they might make you cough

Your nose is not the only organ in your body that can sense cigarette smoke wafting through the air. Scientists have showed that your lungs have odor receptors as well. The odor receptors in your lungs are in the membranes of flask-shaped neuroendocrine cells that dump neurotransmitters and neuropeptides when the receptors are stimulated, perhaps triggering you to cough to rid your body of the offending substance.
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