NTDT200 Lecture Notes - Lecture 3: Autoimmune Disease, Membrane Transport Protein, Gluten
5 Mar 2018
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Document Summary
Organization of the body: cells are the smallest functional unit of living organisms, organ system is a group of organs that function together. Tissue is a collection of cells with a similar origin, organized to form organs. The primary function of the digestive system is to: break down the nutrients in our foods into small enough compounds that can be taken up by the body, mechanically, mechanical digestion begins in the mouth. Food bolus: esophagus, peristalsis forward propulsion, muscle contractions propel contents forward, circular muscles constrict. Jejunum the area of small intestine between the duodenum and ileum. Ileum joins the large intestine with the small intestine: pancreas, produces enzymes to digest energy-proving nutrients, and releases bicarbonate to neutralize stomach acid, pancreatic juices, bicarbonate, amylase, proteases. Lipase: hormones, cholecystokinin, hormone: a messenger, released from the small intestine, tells the gallbladder and pancreas what to do, mouth, salivary glands, saliva, amylase, the ending ase" always stands for an enzyme.
