The digestive system is a group of organs responsible for the conversion of food into absorbable chemicals that are then used to provide energy for growth and repair. The digestive system is also known by a number of other names, including the gut, the...

The digestive system (gastrointestinal tract) is a group of organs responsible for the conversion of food into absorbable chemicals, which are then used to provide energy for growth and repair. The digestive system consists of the mouth, esophagus,...

The digestive systems of animals are quite diverse. Sponges, the simplest animals, do not have specialized digestive systems. Food particles filtered from the water are simply digested within individual cells (intracellular digestion). One of the first...

All animals need to engage in DIGESTION and are equipped with the means to do so. Animals are in a sense hollow, the ALIMENTARY CANAL (or digestive tract) being a tube that extends from the MOUTH to the anus. The digestive system of MAMMALS contains...

The digestive system is that system which exists within all organisms to allow nutritive particles to be taken in, broken down, and either used by the body or removed from the body as waste. Digestive systems range from the very simple, primitive...

Pathway along which food travels when it is eaten and from which solid wastes are expelled. It includes the mouth, pharynx, esophagus, stomach, small intestine, large intestine, and anal canal. &Seealso;...

Refers to the totality of the alimentary tract, i.e. the mouth, oesophagus, stomach and...

The stomach and intestines; see DIGESTIVE...

see digestive...

system diagram en.svg|340px|thumb|Upper and Lower gastrointestinal tract rect 31 8 171 33 salivary glands rect 31 33 172 54 parotid gland rect 31 52 173 72 submandibular gland rect 29 73 194 97 sublingual gland rect 421...