Small amounts of food move from the back of the mouth and through the esophagus by involuntary muscular movements called

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Peristalsis is the involuntary muscular movement responsible for moving small amounts of food from the back of the mouth through the esophagus and into the stomach. Segmentation is another type of muscular movement in the digestive system, but it occurs in the small intestine and is responsible for mixing food with digestive juices and breaking it down further. Gluconeogenesis and lipolysis are metabolic processes that occur in the liver and involve the conversion of non-carbohydrate sources into glucose and the breakdown of fats, respectively, but they are not related to the movement of food through the digestive system.

Small Amounts of Food Move from the Back of the Mouth