Long direct quotations in MLA format. Long direct quotations consists of quotations that are longer than four lines of prose or three lines of verse, and the MLA format dictates how these are presented. 1  Use a free-standing block of text (block quote). 2  Omit the quotation marks. 3  Start the direct quotation on a new line. 4  Indent one inch from the left margin. 5  Indent the first word of 6  ... U
well if you mean the gastrovascular cavity...then they are different... in a gastrovascular cavity the main difference from a digestive tract is that the anus is the mouth (it is where things go in and out) while a digestive tract has a tube that on opposite ends are the mouth and anus.
The GI tract (digestive system) is located mainly in abdominopelvic cavity. surrounded by serous membrane = visceral peritoneum. this serous membrane is continuous with parietal peritoneum and extends. between digestive organs as mesenteries. hold organs in place, prevent tangling.