Question: Identify the accurate statement about mass movements in the large intestine: Select one: a. They are a continuous process happening all day. b. They are responsible for the generation of flatus in the colon. c. They are initiated by the presence of food in the stomach and the byproducts of digestion in the small intestine. d. They involve the contraction of the sigmoid colon and rectum, along with the relaxation of the internal anal sphincter. Need Assignment Help?