FSHN 185 Chapter Notes - Chapter 3: Gastric Acid, Gastric Glands, Abdominal Thrusts
18 Feb 2017
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4 types: muscle, nerve, epithelial, connective organ a discrete structure composed of more than 1 tissue that performs a specialized function organ system a group of organs. Pass through the digestive tract and are eliminated in feces body waste, including unabsorbed food residue, bacteria, mucus, and dead cells, which is eliminated from the gastrointestinal tract by way of the anus. Organs of the digestive system digestive system: composed of the gastrointestinal tract and accessory organs gastrointestinal tract a hollow tube, ~30 ft. long, that runs from the mouth to the anus. Aka gut, gi tract, alimentary canal, or digestive tract. Dead cells: sloughed off into the lumen, where some comps. are digested and absorbed and the rest are eliminated in feces. Digestion: aided by substances secreted into the digestive tract from cells in the mucosa and from a # of accessory organs:
