Answer:
rectum
Step-by-step explanation:
mouth to esophagus
esophagus to stomach
stomach to duodenum (1st part of small intestine)
duodenum to jejunum (2nd part of small intestine)
jejunum to ileum (3rd part of small intestine)
ileum to ascending colon (1st part of L. intestine)
ascending colon to transevers colon (2nd part of L. intestine)
transevers colon to descending colon (3rd part of L. intestine)
descending colon to sigmoid colon
sigmoid colon to rectum
rectum to ànal canal
ànal canal to ànus.