psychological processes of digestive system
Hollow organs in the GI tract include the mouth, esophagus, stomach, small intestine, large intestine, including the rectum, and anus. Solid organs of the digestive system are the liver, pancreas, and gallbladder. However, the hollow and solid organs are not alone in the process of digesting food.There are other areas of the body that assist with digestion. They include bacteria in the GI tract and parts of the nervous and circulatory systems.olid organs of the digestive system are the liver, pancreas, and gallbladder. However, the hollow and solid organs are not alone in the process of digesting food. There are other areas of the body that assist with digestion. They include bacteria in the GI tract and parts of the nervous and circulatory systems.