Answer :
Final answer:
The length of the small intestine is about 6.25 meters, though it varies with activity. It is referred to as 'small' due to its diameter, not length, and is essential for digestion and absorption.
Explanation:
The length of the small intestine in people is about 6.25 meters. However, this can vary as the small intestine changes length during different states of activity, shortening when active and elongating when at rest. In adults, the small intestine typically measures around 7 meters (about 23 feet) long. It consists of three parts: the duodenum, jejunum, and ileum. The name "small" is derived from its relatively smaller diameter when compared to the large intestine, not its length. With its extensive length and unique structure that includes folds and projections, the small intestine has a remarkably large internal surface area significant for the complex processes of digestion and absorption.
