how long is an adults small intestine
The small intestine begins at the duodenum, which receives food from the stomach. It is a tubular structure, usually between 6 and 7 m long. The area of the human, adult small intestinal mucosa is about 30 m 2.
You can learn more about the digestive system in the topic 'Your waste disposal system ' . The intestines are the part of the digestive system between the stomach and the anus. They are all coiled up to fit inside your abdomen. 1  The small intestine is a tube about 6 metres long in an adult. 2  It is greyish-purple in colour and is about 35mm wide. 3  The large intestine is much shorter, only about 1 metre long but it is called large because it is wider. 4  It is a reddish brown in colour.