The process by which food within the small intestine is mixed with digestive juices by backward and forward movement across the internal wall of the organ is called ________.

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Segmentation is the process by which food within the small intestine is mixed with digestive juices by backward and forward movement across the internal wall of the organ. Peristalsis refers to the rhythmic contractions that propel food along the digestive tract. Defecation is the elimination of waste products from the body, and digestion is the process of breaking down food molecules into smaller components. Absorption is the process by which nutrients and water are taken into the bloodstream from the digestive tract.

The Process by Which Food Within the Small Intestine Is