<prompt> The oral and pharyngeal phases of swallowing take place very rapidly and last about3.5 seconds1-1.5 seconds6.0 seconds9.5 seconds  <response>: Deglutition is an act of swallowing, a process by which food is passed from mouth into stomach. It occurs in 3 stages,Oral stage - voluntaryPharyngeal stage - involuntaryOesophageal stage - involuntaryThe whole process of swallowing through oral and pharyngeal stage takes place within 1-2 seconds. 