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.
The stomach also contains hydrochloric acid and digestive enzymes that continue the digestion of food that began in the mouth. Small Intestine. The small intestine is a long, thin tube about 1 inch in diameter and about 10 feet long that is part of the lower gastrointestinal tract.sophagus. The esophagus is a muscular tube connecting the pharynx to the stomach that is part of the upper gastrointestinal tract. It carries swallowed masses of chewed food along its length. At the inferior end of the esophagus is a muscular ring called the lower esophageal sphincter or cardiac sphincter.