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CQC 3.05 Aspirating

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After swallowing a liquid, we always exhale, and during exhalation, retronasal olfaction occurs. Liquid reaches the pharyngeal wall and is then pushed upwards towards the olfactory epithelium as we exhale. It’s called ‘retronasal’ because aromatic gases enter the nasal cavity from the back of the nose instead of the front. When we aspirate (slurp), liquid […]

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