Size and Divisions
The average length of the small intestine in an adult human male is 6.9 m (22 feet 6 inches), and in the adult female 7.1 m (23 feet 4 inches). It can vary greatly, from as short as 4.6 m (15 feet) to as long as 9.8 m (32 feet). It is approximately 2.5–3 cm in diameter.
The small intestine is divided into three structural parts:
- Duodenum
- Jejunum
- Ileum
Read more about this topic: Small Intestine
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