This document provides an overview of the small intestine (ruột non) and large intestine (ruột già) in Vietnamese. It describes the location, external and internal structure, blood supply, and distinguishing features of the small and large intestines. Key points covered include the segments of the small intestine (duodenum, jejunum, ileum), segments of the large intestine (ascending colon, transverse colon, descending colon, sigmoid colon, rectum), and differences between the small and large intestines.