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 Extema is the layer of the digestive tract wall that is responsible for peristalsis.
The efferents from the dorsal motor nucleus of the vagus go down and innervate the heart, lungs, and gastrointestinal tract. The smooth muscles contract to facilitate respiration and peristalsis. Vagus nerve stimulation also causes bradycardia [4, 5].