<prompt> Inferior mesenteric artery supplies all of the following exceptRectumRight colic flexureSigmoid colonDescending colon  <response>: B Right colic flexure Inferior mesenteric artery supplies: The left one third of the transverse colon; The descending colon; The sigmoid colon; The rectum; The upper part of the anal canal; The right colic flexure is supplied by the superior mesenteric artery. 