The student nurse is studying the order of the GI tract in preparation for an anatomy examination. Which of the following indicates correct understanding?
a. mouth, esophagus, stomach, colon, small intestine, anus
b. ascending colon, transverse colon, descending colon, sigmoid colon
c. stomach, duodenum, ileum, jejunum, cecum, large intestine, rectum
d. cecum, small intestine, descending colon, transverse colon, ascending colon