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English: The gastrointestinal tract, also called the digestive tract, alimentary canal, or gut, is the system of organs within multicellular animals that takes in food, digests it to extract energy and nutrients, and expels the remaining waste.
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 ...
English: The gastrointestinal tract, also called the digestive tract, alimentary canal, or gut, is the system of organs within multicellular animals that takes in food, digests it to extract energy and nutrients, and expels the remaining waste. Español: El esquema de nuestro Aparato Digestivo.
File:Digestive system diagram edit.svg. Size of this PNG preview of this SVG file: 433 × 600 pixels. Other resolutions: 173 × 240 pixels | 346 × 480 pixels | 554 × 768 pixels | 739 × 1,024 pixels | 1,479 × 2,048 pixels | 512 × 709 pixels. This is a file from the Wikimedia Commons. Information from its description page there is shown below.
English: The gastrointestinal tract, also called the digestive tract, alimentary canal, or gut, is the system of organs within multicellular animals that takes in food, digests it to extract energy and nutrients, and expels the remaining waste.
File:Stomach colon rectum diagram-en.svg. File. File history. File usage. Global file usage. Metadata. Size of this PNG preview of this SVG file: 512 × 529 pixels. Other resolutions: 232 × 240 pixels | 465 × 480 pixels | 743 × 768 pixels | 991 × 1,024 pixels | 1,982 × 2,048 pixels. Original file (SVG file, nominally 512 × 529 pixels ...
English: The gastrointestinal tract, also called the digestive tract, alimentary canal, or gut, is the system of organs within multicellular animals that takes in food, digests it to extract energy and nutrients, and expels the remaining waste.
Gastrointestinal wall. The gastrointestinal wall of the gastrointestinal tract is made up of four layers of specialised tissue. From the inner cavity of the gut (the lumen) outwards, these are the mucosa, the submucosa, the muscular layer and the serosa or adventitia. The mucosa is the innermost layer of the gastrointestinal tract.