Medically reviewed by Jay N. Yepuri, MDMedically reviewed by Jay N. Yepuri, MD The large and small intestines are part of the gastrointestinal (GI) tract, the passage running from the mouth to the ...

The first of three sections of the small intestine, the duodenum, produces large quantities of mucus to protect the intestinal lining from acid in the chyme. Measuring about 20 feet (6 meters ...

Researchers have created an early map of some of the human body’s estimated 37.2 trillion cells. Each type of cell has a ...

The colon works alongside the stomach and small intestine to remove stool and maintain fluid and electrolyte balance.