1 In-text citations in parenthesis, with only the author's last name and page number included (Smith, p. 4). 2  Double-spaced lines, but with no extra line breaks between each citation. 3  Footnotes (superscripted) also used to provide non-essential information.
Muscularis: The muscularis is responsible for segmental contractions and peristaltic movement in the GI tract. The muscularis is composed of two layers of muscle: an inner circular and outer longitudinal layer of smooth muscle.
Peristalsis is a series of muscle contractions and relaxations that occur along the course of the intestinal tract to push food and waste products through.In some cases, people can actually feel the contractions as they occur, especially in the case of movements of the large intestine. cow takes part in 'reverse peristalsis' when its digestive tract pulls cud back into the esophagus so that it can be chewed again. Peristalsis begins with the esophagus. Vomiting is an example of the body overriding the usual muscle movements of peristalsis.