. Mouth The process of digestion begins in the mouth where food is chewed until it reaches a consistency whereby it can be swallowed. The following accessory structures aid this early stage of digestion: Tongue — a muscle that is covered by taste buds. It assists the process of chewing and man oeuvres food to a position where it can be swallowed easily. Salivary glands — begin the process of chemical digestion through the secretion of the enzyme‚ salivary amylase. This enzyme begins the process
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system breaks down complicated food particles into molecules (Catabolism) like this: Fat breaks down into Fatty acids by using an enzyme called Lipase. Protein breaks down into Amino Acids by an enzyme called protease. Starch breaks down into sugars by using an enzyme called amylase. These enzymes are produced by hormones. The hormones are activated when you eat. Once we have broken these down‚ we can then build them back up again into a collection of molecules (Anabolism) so we can digestive them
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Pharynx‚ E. Stomach‚ F. Gall bladder G. Colon‚ H. Tongue‚ I. Liver‚ J. Small intestine‚ K. esophagus‚ L. Salivary glands M. Pyloric sphincter‚ Region/organ Function B Produces the enzymes to digest proteins‚ fats and carbohydrates in the small intestine. Also produces the hormone insulin H Organ that mixes food in the mouth and makes swallowing happen L Produce saliva containing salivary amylase . K Carries the food from the mouth to the stomach F Stores bile M This muscle controls the passage
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Zachary’s Story Unit 6 Case Study 1 AP2630 Rhonda Carter July 27‚ 2015 A. An ulcer starts by eroding the mucosa of the G.I. tract wall. What functions of digestion and/or reabsorption might be lost if this layer is no longer functional? What functions will be compromised if the ulcer eats through the submucosa and then the muscularis? Absorption would not happen correctly some of the ingested and secreted may seep out of the lumen. This also could create a pathway of entry for pathogens
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Bio 112 Exam #4 Homework Animal Body and How It Moves 1. Briefly describe the body of all vertebrates? A tube within a tube‚ a digestive tract- long tube from mouth to anus that is suspended in coelom‚ coelom subdivided into two cavities- separated by diaphragm in mammals and some reptiles. Peritoneal cavity- stomach‚ intestines‚ liver. Thoracic cavity- heart and lungs. All vertebrate bodies supported by internal skeleton skill around brain and vertebra around spinal cord and dorsal nerve cord
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also has to excrete waste. In other words‚ the food we eat consists of large lumps of material. We must bite off small pieces and chew them up into even smaller ones before swallowing them. There are two types of digestion: Mechanical and chemical. The teeth carry out mechanical digestion. There are 4 types of teeth: Incisors: 8 front teeth 4 on the top and 4 on the bottom. Shaped for biting and cutting. Canines 4 teeth located on either side of the incisors. 2 on the top and 2 on the bottom. Shaped
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Enzyme application in diary MODIFICATION INDUSTRY PRESENTED BY GROUP H S/NO. NAMES MATRIC NUMBER 99. BASSEY C WINIFRED ENG1102141 100. ABIOLA RAYMOND ENG1106478 101. AMAYO .F. 0SARUWENSE ENG1105472 102. MATH-OSAGIE FRANCIS ENG1102177 103. BETTY .O. UKHUEDUAN ENG1102209 104. IJELI .J. CHUKWUMA ENG1102163 105. EMOGHENE EMUDIAGHA ENG1102151 106. 107. OGBOZOR .J. TOCHUKWU ENG1106008 108. BABAFERI .V. EVUARHERE ENG1102140 109. OTOIDE .O. JOSEPH
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Cited: Amylase. (2013). Encyclopedia Americana. Retrieved February 28‚ 2013‚ from Grolier Online http://ea.grolier.com/article?id=0014160-00 Arnon‚ D Bonner‚ J. (2013). Cellulase. Encyclopedia Americana. Retrieved February 28‚ 2013‚ from Grolier Online http://ea
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THE DIGESTIVE SYSTEM Functions of the Digestive System • Ingestion- where in food from outside of the body enters the alimentary tract through the mouth • Digestion- which could be mechanical (physical breakdown of food into smaller pieces or chemical (enzymatic action) • Absorption of digested materials into venous circulation as well as lymphatic capillaries • Provision of nutrients to the cells of the body • Elimination of undigested materials ANATOMY AND HISTOLOGY OF THE DIGESTIVE
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multigrain bread provided me with carbohydrates. As I take a bite of the peanut butter and jelly sandwich I crush all three of the macronutrients with my teeth. The role of saliva helps moistens the food while a digestive enzyme in the saliva called salivary amylase (ptyalin) helps breaks down the complex carbohydrates mostly contained in the bread into simple sugars. Once the food has been sufficiently chewed‚ the tongue rolls it into a ball known as a bolus and pushes it into the pharynx. In a combination
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