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Digestive System PowerPoint Presentation

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Description : Digestion is important because our body needs nutrients from food and drink to work properly and stay healthy. Proteins, fats, carbohydrates, vitamins, minerals and water are nutrients. Our digestive system breaks nutrients into parts small enough for your body to absorb and use for energy, growth, and cell repair.

Tags : Digestive system, Digestion

Published on : Nov 26, 2020 | Views : 1499 | Downloads : 15

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DIGESTIVE SYSTEM Presented by Patricia Louise F. Ramos
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Why is the Digestive System important? Digestion is important because our body needs nutrients from food and drink to work properly and stay healthy. Proteins, fats, carbohydrates, vitamins, minerals and water are nutrients. Our digestive system breaks nutrients into parts small enough for your body to absorb and use for energy, growth, and cell repair.
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How the Digestive System helps to maintain homeostasis in the body The bacterial flora in the intestines are essential to homeostasis in the body. They not only break down food so the nutrients can be absorbed, they produce vitamins like biotin and vitamin K and guard against harmful bacteria that enter the system.
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How the Digestive System is linked to other organ systems in the body The digestive system works very closely with the circulatory system to get the absorbed nutrients distributed through your body. The circulatory system also carries chemical signals from your endocrine system that control the speed of digestion.
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Organs of the Digestive System
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Processes of the Mouth Chewing of food Secretion of salivary glands (salivary amylase) Mechanical breakdown of food Tasting
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Esophagus Connects the mouth with the stomach Its walls contain smooth muscles that contracts in wavy motion (PERISTALSIS) Peristalsis propels food and liquid slowly down the esophagus into the stomach
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Stomach J-shaped muscular bag that stores the food and breaks it down into tiny pieces Mixes food with gastric juices that contain enzymes to break down proteins and lipids Food found in the stomach is called chyme
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Small Intestine Nutrients from the food pass into the bloodstream through the walls of the small intestine Absorbs: 80% ingested water, vitamins, minerals, carbohydrates, proteins and lipids Secretes digestive enzymes
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Large Intestine Bacterial digestion and fermentation of carbohydrates Absorbs additional water Concentrates wastes
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Accessory Digestive Organs – The Glands Not part of the path of ingested food, but play a critical role in digestion. Includes: Liver, gall bladder, and pancreas
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Liver Directly affects digestion by producing bile Bile aids in the digestion of fat Filters out toxins and waste including drugs, alcohol and poisons
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Pancreas Produces digestive enzymes to digest fats, carbohydrates and proteins Regulates blood sugar by producing insulin
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Gall Bladder Stores bile from the liver, releases it into the small intestine Fatty diets can cause the formation of gallstones
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Common Digestive Disorders Peptic Ulcer Disease (PUD) and Gastritis PUD is an open sore in the lining of the stomach or upper part of the small intestine. Gastritis is inflammation of the stomach lining. These two conditions have similar symptoms, including stomach pain and nausea, and similar causes.
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Common Digestive Disorders Stomach Flu An infection of the stomach and upper part of the small intestine. Common symptoms are diarrhea, vomiting, stomach pain, and cramps. Rotavirus and norovirus, which affect millions of people every year, are often the cause. Gastroenteritis often clears up on its own, but you lose fluids through diarrhea and vomiting.
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Common Digestive Disorders Constipation Constipation is difficult or infrequent passage of stool. If you have bowel movements less than three times a week, you likely are constipated. A common cause of constipation is not getting enough fiber in your diet. The main symptom of constipation is straining to go. In most cases, increasing fiber, fluids, and exercise will solve this condition. Use laxatives only as a temporary solution.
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THANK YOU! 
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REFERENCES National Institute of Diabetes and Digestive and Kidney Diseases. (2017). Your Digestive System and How It Works. https://www.niddk.nih.gov/health-information/digestive-diseases/digestive-system-how-it-works Kollcaku, J. (2017). The Digestive System. https://www.slideshare.net/heatherelira/the-digestive-system- Lewis, S. (2020). 10 Common Digestive Disorders. https://academicguides.waldenu.edu/writingcenter/apa/references/examples