Small intestines are an incredibly important organ in the human body, responsible for nutrient absorption. Here are five interesting facts about the small intestine:
1. The small intestine is the longest organ in the human body, measuring between 10 and 11 feet in length.
2. It is segmented into three parts: the duodenum, jejunum, and ileum.
3. The small intestine is packed with millions of microscopic folds called villi, which increase the surface area for nutrient absorption.
4. The small intestine secretes more than 20 different enzymes and hormones to help break down food particles and absorb nutrients.
5. The small intestine is home to trillions of bacteria which aid in digestion and help protect against disease.