Small intestine
The length of the small intestine can vary greatly, from as short as to as long as , also depending on the measuring technique used. The typical length in a living person is 3m-5m. The length depends both on how tall the person is and how the length is measured. Taller people generally have a longer small intestine and measurements are generally longer after death and when the bowel is empty.
Small intestine (Chinese medicine)
Transporting point of SI: Urinary Bladder 27. Conception vessel – anterior midline from perineum to lower lip. This is also the Alarm point for the SI which is called "Gateway to the Source"(guan yuan). Governing vessel is from perineum, to spine to crown of head down to upper lip.