The first debate for the Democratic Partyâs 2016 presidential contenders will take place October 13 in Nevada and be hosted by CNN, the Democratic National Committee announced Thursday, just hours before Republican hopefuls face off on stage for the first time in Cleveland.
The alimentary tract of the digestive system is composed of the mouth, pharynx, esophagus, stomach, small and large intestines, rectum and anus. Associated with the alimentary tract are the following accessory organs: salivary glands, liver, gallbladder, and pancreas.
Quiz: Introduction to the Digestive System. Please review your answers below. The digestive system includes the digestive tract and its accessory organs, which process food into that can be absorbed and utilized by the cells of the body. The gastrointestinal tract includes the mouth, , esophagus, stomach, small intestine, and large intestine.