7 Digestion 2 Malnourishment and Overnourishment and Digestive Organs

7 Digestion 2 Malnourishment and Overnourishment and Digestive Organs

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Digestion I. Exchange with the environment II. Malnourishment and Overnourishment III. Digestive organs IV. Process of digestion and absorption A. Carbohydrates B. Proteins C. Lipids D. Absorption of water
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Kwashiorkor (a protein deficiency) in a Somali girl “You are what you eat (or don’t eat)” Digestive system works to maximize nutrients and calories absorbed from food Carbohydrates Protein Fat
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1998 Obesity Trends* Among U.S. Adults BRFSS,   1990, 1998, 2006 (*BMI  30, or about 30 lbs. overweight for 5’4” person) 2006 1990 No Data <10% 10%–14% 15%–19% 20%–24% 25%–29% ≥30% From: Center of Disease Control website
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. Leptin PYY Insulin
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Unformatted text preview: Ghrelin Figure 41.23 Appetite-regulating Hormones Ghrelin triggers hunger Insulin suppresses appetite Leptin suppresses appetite PYY counters ghrelin effects Fig. 41.10: The Human Digestive System Cecum Anus Anus Ascending portion of large intestine Gall-bladder Small intestine Large intestine Small intestine Rectum Pancreas Liver Salivary glands Tongue Oral cavity Pharynx Esophagus Sphincter Stomach Sphincter Duodenum of small intestine Appendix Liver Pancreas Small intestine Large intestine Rectum Stomach Gall-bladder A schematic diagram of the human digestive system Esophagus Salivary glands Mouth...
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7 Digestion 2 Malnourishment and Overnourishment and Digestive Organs

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