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Explain how nutrients are obtained from our diet, and the contribution of each nutrient to the aerobic respiratory pathway

Date Submitted: 12/26/2004 14:48:08
Category: / Science & Technology / Chemistry
Length: 13 pages (3631 words)
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…body protein for amino-acid use as fuel. Table 9: GASTROINTESTINAL PEPTIDES REGULATING FOOD INTAKE PeptideStimulusSite of ProductionSite of ActionEffect on food intake Cholecystokinin (CCK)Protein and fat Small intestinebrainVagal afferents Decrease Glucagon-like Peptide 1 (GLP-1)Nutrients gut hormonesgut neural signalsIleum/colon Gastric emptyingbrainDecrease Ghrelin Fasting Stomach Brain Increase Apolipoprotein A-IV (Apo A-IV)Fat absorption Intestine/liver Brain Decrease Enterostatin Fat Stomach/intestine Vagal afferents Decrease Gastrin-Releasing Peptide (GRP)Gastric mucosa Food ingestion Vagal afferents brainDecrease Source: Considine (20022).
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