The main parts of the digestive system are the mouth, esophagus, stomach, small intestine, large intestine, liver, gull bladder, and pancreas. Food does not actually pass through the liver, gull...
The digestive system is an organ system because it consists of many organs: the, mouth, esophagus, stomach, pancreas, gall bladder, small intestine, large intestine, rectum, and anus. All of these...