Coordination of mastication, swallowing and breathing
The pathways for air and food cross in the pharynx. In breathing, air may flow through either the nose or the mouth; it always flows through the pharynx. During swallowing, the pharynx changes from an airway to a food channel. The pharynx is isolated from the nasal cavity and lower airway by velopha...
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| Format: | Book |
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Elsevier,
2009-05-01T00:00:00Z.
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