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.
The muscularis externa contains muscle layers responsible for the processes of peristalsis and segmentation. 3. In the oral cavity, the digestive enzyme _________ is found in saliva and begins the digestion of _________. amylase;starch.