peensoolesüsteemi
Peensoolesüsteemi, often referred to as the small intestine, is a vital organ within the digestive tract of humans and many other animals. Its primary function is to absorb nutrients and minerals from the food we consume. This long, coiled tube extends from the stomach to the large intestine and is characterized by its highly folded inner surface, which is covered in villi and microvilli. These structures dramatically increase the surface area available for nutrient absorption.
The small intestine is divided into three main sections: the duodenum, the jejunum, and the ileum. The
The digestive process within the small intestine involves both mechanical and chemical actions. Peristalsis, the muscular