What is (are) Short Bowel Syndrome ?
The small intestine is the tube-shaped organ between the stomach and large intestine. Most food digestion and nutrient absorption take place in the small intestine. The small intestine is about 20 feet long and includes the duodenum, jejunum, and ileum:
                
duodenumthe first part of the small intestine, where iron and other minerals are absorbed
                
jejunumthe middle section of the small intestine, where carbohydrates, proteins, fat, and most vitamins are absorbed
                
ileumthe lower end of the small intestine, where bile acids and vitamin B12 are absorbed