The digestive system of the upper abdomen and the chest is also known as the upper gastrointestinal (GI) tract. It includes several of the digestive system’s most important organs, including the esophagus, stomach, duodenum, liver, and gallbladder. These organs are responsible for significant breakdown of food and for transporting the partially digested food further along the alimentary canal.
Food entering the long, tube-like esophagus from the throat is moved by peristalsis toward the stomach. Continue Scrolling To Read More Below...