Anatomy for Nutrition's Sake

Anatomy for Nutritions Sake Chapter 3 2010 Cengage-Wadsworth The Digestive System The gastrointestinal tract Layers of the GI tract wall Mouth Esophagus Stomach

Small intestine Large intestine (colon) 2010 Cengage-Wadsworth The Gastrointestinal Tract Mouth Chewing Saliva Swallowing

Esophagus Passes bolus from mouth to stomach 2010 Cengage-Wadsworth The Gastrointestinal Tract Stomach Stores food

Forms chyme (semi-liquid blend of food & gastric secretions) Controls movement of chyme into small intestine 2010 Cengage-Wadsworth The Gastrointestinal Tract Small intestine Primary organ of digestion &

absorption Adds bile & enzymes to chyme to complete digestion Absorbs nutrients into blood & lymph 2010 Cengage-Wadsworth The Gastrointestinal Tract Large intestine

Absorbs dissolved minerals & water Eliminates waste products Harbors bacteria 2010 Cengage-Wadsworth The Digestive System Accessory organs of digestion Liver Makes bile

Gallbladder Stores & releases bile Pancreas Makes bicarbonate & digestive enzymes (exocrine functions) 2010 Cengage-Wadsworth Metabolism

Breaking down nutrients for energy Carbohydrate to glucose (catabolic) & glycogen (anabolic) Protein to amino acids (catabolic) & then to glucose, fat, or protein (anabolic) Fat/fat-soluble nutrients packaged in chylomicrons, then other lipoproteins 2010 Cengage-Wadsworth

Other Systems Bones Muscles Nerves Lungs Reproductive organs 2010 Cengage-Wadsworth Let Foods Be Your

Medicine Functional foods Visit the local grocery store Follow the research Incorporate functional foods into your daily diet 2010 Cengage-Wadsworth Do Your Genes Affect Whats in Your Jeans?

Ancient ancestors eating habits vs. the way we eat today How ancient habits & eating patterns affect likelihood of developing chronic diseases Foods found in modern diets that were generally unavailable to our prehistoric ancestors 2010 Cengage-Wadsworth

Gut Feelings--Common Digestive Problems Hiccups Causes Potential cures 2010 Cengage-Wadsworth Gut Feelings--Common Digestive Problems Constipation

Definition - bowl movements 3 times per week Causes Treatment Diet: 20-35 g/fiber per day Lifestyle changes Laxatives 2010 Cengage-Wadsworth Gut Feelings--Common

Digestive Problems Hemorrhoids Complication of constipation Signs & symptoms Treatment Tub baths Hemorrhoidal cream or suppository 2010 Cengage-Wadsworth