It is where most chemical digestion using enzymes takes place. The jejunum is the middle section of the small intestine. It has a lining which is designed to absorb carbohydrates and proteins. read more
The small intestine has three sections: the duodenum, the jejunum and the ileum. The duodenum is approximately 12 inches long.This first section regulates digestion, and both the pancreas and the gallbladder have secretions that enter into it. The next section is the 8-foot jejunum, where most of the absorption takes place. read more
The small intestine is approximately 2.5–3 cm in diameter, and is divided into three sections: The duodenum is the first section of the small intestine and is the shortest part of the small intestine. It is where most chemical digestion using enzymes takes place. The jejunum is the middle section of the small intestine. read more
a protein digesting enzyme found in the small intestine, formed from chymotrypsinogen that is secreted by the pancreas Duodenal gland gland in the submucosa of the duodenum that secretes and alkaline mucus to help neutralize the acid in the chyme, and protect the mucosa from the action of digestive enzymes. read more