# What is the small intestine?

The small intestine is called the small intestine. Gray's Anatomy (1918) describes it as the longest part of the digestive tract, about 6 m long.

## What it means

- The longest part of the digestive tract, about 6 m long.
- Divided into three parts: duodenum, jejunum, and ileum.
- The chief site of nutrient absorption.

## Action steps

1. Coiled in the middle of the abdomen.
2. Extends from the pylorus of the stomach to the ileocecal junction.
3. Surrounded by the frame of the large intestine.

## Sources

- [Gray's Anatomy of the Human Body (1918)](https://www.bartleby.com/107/)

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