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.
This one long tube of the digestive systemâthe digestive tractâincludes the esophagus, stomach, small intestine and large intestine along with accessory organs like the liver, gallbladder, pancreas, and salivary glands.The digestive tract of a normal adult human being is about 30 feet long.hough the esophagus is the first part of the digestive tract, the process of digestion begins with the mouth where our teeth (premolars and molars) chew (masticate) the food to break it down into smaller pieces.