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.
3. Peristalsis is a) the digestion of starch to sugar in the mouth b) the passing of food nutrients through the villi into the blood c) The rhythmic, wave-like contraction of the digestive tract that forces food through it d) the breaking down of fat by bile. 4.