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Simulation of steps of the swallowing process, the oral phase where tongue presses food bolus against soft palate and backward; pharyngeal phase where the voice box moves up, soft palate blocks the nasal cavity, tongue blocks the oral cavity and epiglottis covers the larynx entrance; and esophageal phase where the esophagus moves the food downward and the larynx get back up to relaxed position. 2 cycles in real time and 1 cycle in slow motion with text.