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WebMD’s Appendix Anatomy Page provides detailed images, definitions, and information about the appendix. It is useful to consider the organs of the digestive system from a developmental standpoint. It consists of a long tube called the gastrointestinal tract or GI tract (alimentary canal) and several accessory organs. The digestive system is made up of the gastrointestinal (GI) tract—also called the digestive tract—and the liver, pancreas, and gallbladder. The organs also play a critical role in the removal of unused material from the body. They include the mouth , teeth , tongue , pharynx , esophagus , stomach , and intestines . Digestive System Organs. Digestive system definition is - the bodily system concerned with the ingestion, digestion, and absorption of food and the discharge of residual wastes and consisting of the digestive tract and accessory glands (such as the salivary glands and the pancreas) that secrete digestive enzymes. Digestive system definition, the system by which ingested food is acted upon by physical and chemical means to provide the body with absorbable nutrients and to excrete waste products; in mammals the system includes the alimentary canal extending from the mouth to the anus, and the hormones and enzymes assisting in digestion. The digestive system is responsible for taking whole foods and turning them into energy and nutrients to allow the body to function, grow, and repair itself. The digestive system of any animal is of vital importance for the processing of the food that the animal consumes. The human digestive system is the means by which tissues and organs receive nutrients to function. The digestive system has major parts and accessory parts. See more. The mouth is the first organ in the digestive system, and it is a cavity in which the teeth and the tongue exist, and the salivary glands are opened, The function of the mouth is cutting and grinding the food by the teeth, and It digests the starch into the sugar. The three main functions of the human digestive system are to break food down into chyme for the body's use, to secrete and absorb nutrients and bodily fluids into the gastrointestinal tract or the blood, and to store and eliminate waste. Ruminant stomachs have four compartments: the rumen, the reticulum, the omasum and the abomasum. The Human Digestive System Definition The human digestive system is the collective name used to describe the alimentary canal, some accessory organs and a variety of digestive processes that take place at different levels in the canal to prepare food eaten in the diet for absorption. Through the digestive tract birds can absorb all the nutrients their bodies need to … The digestive system, also known as the gastrointestinal tract, is made up of the mouth, esophagus, stomach, small intestine, large intestine, rectum and the anus. The function of the descending colon in the digestive system is to store the remains of digested food that will be emptied into the rectum. The function of the digestive system is digestion and absorption. The stomach is the primary organ that breaks down food as it enters the digestive system. The leftover parts of food which cannot be broken down, digested, or absorbed are excreted as bowel movements (stool). Read about the human digestive system and its functions and organs. The human digestive system converts food into nutrients that the body needs. The below image is a diagram of the human digestive system. The GI tract is a series of hollow organs joined in a long, twisting tube from the mouth to the anus. The esophagus lies behind the trachea and heart and in front of the spinal column; it passes through the diaphragm before entering the stomach. Digestive system. Structure of the Digestive System What organs make up the digestive system? The descending colon is the part of the colon from the splenic flexure to the beginning of the sigmoid colon and thereby part of the large intestine. The digestive system includes the salivary glands, mouth, esophagus, stomach, liver, gallbladder, pancreas, small intestine, colon, and rectum.The digestive system's organs are joined in a long, twisting tube from the mouth to the anus. How does my digestive system work? Digestive system: The system of organs responsible for getting food into and out of the body and for making use of food to keep the body healthy. Digestion is the breakdown of food into small molecules, which are then absorbed into the body digestive system synonyms, digestive system pronunciation, digestive system translation, English dictionary definition of digestive system.