Webdigestive system: [ dĭ-jes´tiv ] pertaining to digestion. digestive system the organs that have as their particular function the ingestion, digestion, and absorption of food or nutritive elements. They include the mouth , teeth , tongue , pharynx , esophagus , stomach , and intestines . The accessory organs of digestion, which contribute ... WebJun 8, 2024 · Digestion of food is a form of catabolism, in which the food is broken down into small molecules that the body can absorb and use for energy, growth, and repair. …
Medical Definition of Digestive system - MedicineNet
WebJun 8, 2024 · Digestion of food is a form of catabolism, in which the food is broken down into small molecules that the body can absorb and use for energy, growth, and repair. Digestion occurs when food is moved through the digestive system. It begins in the mouth and ends in the small intestine. The final products of digestion are absorbed from the ... The human digestive system consists of the gastrointestinal tract plus the accessory organs of digestion (the tongue, salivary glands, pancreas, liver, and gallbladder). Digestion involves the breakdown of food into smaller and smaller components, until they can be absorbed and assimilated into the body. The process of digestion has three stages: the cephalic phase, the gastric phase, and the intestinal phase. prayer for debutante party
Human digestive system Description, Parts, & Functions
In most vertebrates, digestion is a multistage process in the digestive system, starting from ingestion of raw materials, most often other organisms. Ingestion usually involves some type of mechanical and chemical processing. Digestion is separated into four steps: Ingestion: placing food into the mouth … See more Digestion is the breakdown of large insoluble food molecules into small water-soluble food molecules so that they can be absorbed into the watery blood plasma. In certain organisms, these smaller substances are … See more Protein digestion Protein digestion occurs in the stomach and duodenum in which 3 main enzymes, pepsin secreted by the stomach and trypsin See more There are at least five hormones that aid and regulate the digestive system in mammals. There are variations across the vertebrates, as for … See more Digestive systems take many forms. There is a fundamental distinction between internal and external digestion. External digestion … See more The human gastrointestinal tract is around 9 metres (30 feet) long. Food digestion physiology varies between individuals and upon other factors such as the characteristics of … See more Some nutrients are complex molecules (for example vitamin B12) which would be destroyed if they were broken down into their See more Digestion is a complex process controlled by several factors. pH plays a crucial role in a normally functioning digestive tract. In the mouth, pharynx … See more Webv. t. e. The gastrointestinal tract ( GI tract, digestive tract, alimentary canal) is the tract or passageway of the digestive system that leads from the mouth to the anus. The GI tract contains all the major organs of the … WebMar 29, 2024 · 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. 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 … scion frs winjet headlights