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NTRI 2000 - Huggins - Week 4 Notes

by: Hayden Massey

NTRI 2000 - Huggins - Week 4 Notes ntri 2000

Marketplace > Auburn University > Nutrition > ntri 2000 > NTRI 2000 Huggins Week 4 Notes
Hayden Massey

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About this Document

Everything we covered and more in Huggins NTRI 2000 class
Dr. Kevin W Huggins
Class Notes
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This 6 page Class Notes was uploaded by Hayden Massey on Wednesday September 14, 2016. The Class Notes belongs to ntri 2000 at Auburn University taught by Dr. Kevin W Huggins in Fall 2016. Since its upload, it has received 8 views. For similar materials see Nutrition in Nutrition at Auburn University.


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Date Created: 09/14/16
Nutrition – Week 4 Huggins ▯ Heart and blood vesselsatic Systems: o Arteries, veins, capillaries o Smallest – capillaries  Systemic Circulation o Getting blood and nutrients to brain  Blood o Blood is red bc its rich in oxygen, hemoglobin  Lymphatic System ▯ ▯ Blood Circulation: ▯ ▯ ▯ Lymphatic System:  Contains lymph  Immune Cells o When immune cells production increases, lymph nodes may swell  Passage for large particles  Lymph circulation in gastrointestinal tract ▯ ▯ What happens to the food we eat?  Digestion – breaking down food o Mechanical – physical, ex: chewing o Chemical – chemical reaction, ex: acids, enzymes in saliva  Absorption – taking the components of digestion through the intestinal wall and into the body  Any macronutrient that can’t be properly digested or absorbed, causes problems ▯ ▯ The Mouth:  Mastication – mechanical digestion, chewing  Saliva – enzymes, mucus ▯ ▯ The Esophagus:  Propels food into stomach  Epiglottis  Peristalsis  Lower Esophageal Sphincter ▯ ▯ The Stomach:  Mixes, digests, and stores food  Gastric Juice – hydrochloric acid and enzymes  Formation of Chyme  Pyloric Sphincter ▯ ▯ The Small Intestine:  Most digestion and absorption takes place in SI  Folded walls o Like stomach  Villi  Absorptive Cells o Enterocytes  Absorption  As humans, we are really good at digesting macronutrients ?? ▯ ▯ The Large Intestine:  Colon  After food comes to large intestine, no digestion or absorption is taking place  Undigested food components  No villi or enzymes  Absorption of water  Bacteria  Rectum – elimination ▯ ▯ Accessory Organs:  Pancreas o Digestive enzymes o Hormone control  Glucagon and insulin  Gallbladder  Liver o Makes bile o Enterohepatic circulation ▯ ▯ Endocrine System:  Secretes regulatory substances (hormones) – travel in blood  Body’s messenger system Insulin ▯ Heartburn and Gastroesophageal Reflux Disease (GERD):  Acid reflux in the esophagus  Causes: o Obesity o Pregnancy o Large, high fat meals  Treatment: o antacids o proton pump inhibitors o surgery ▯ Peptic = stomach ulcers  Area that has been eroded away by acid  Causes: o Heliobacter Pyloribacteria o Use of anti-inflammatory drugs (NSAID’s)  Treatment: o Antibiotics o Antacids o H2 blockers ▯ Gallstones  Crystal like particles in the bile  Mostly cholesterol  Causes: o Excess body weight o Genetics o Diet o Diabetes o May develop during rapid weight loss  Treatment: o Surgery o Diet ▯ Celiac Disease  Genetic predisposition, environmental trigger  Autoimmune response to gluten  Treatment o No cure o Modified diet – gluten free – no wheat, rye, barley ▯ Crohn’s Disease  Inflammatory bowel disease  Treatments o Drugs o Surgery o Nutritional supplement


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