"Digestion rgt" Essays and Research Papers

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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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    tract is a twisting tube about 30 feet long. It starts at the mouth and ends at the anus. In between are the esophagus‚ stomach and bowels (intestines). The liver and pancreas aid digestion by producing bile and pancreatic juices which travel to the intestines. The gallbladder stores bile until the body needs it for digestion.  The digestive system breaks down food and fluids into much smaller nutrients. In this complex process‚ blood carries the nutrients throughout the body to nourish cells and provide

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    Unit 5 Energy Metabolism

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    Unit 5 Outcome 2 – Energy Metabolism Booklet The Respiratory System The respiratory system consists of the nose‚ mouth‚ pharynx‚ larynx‚ trachea‚ bronchi and lungs. These provide a passageway to allow air in and out of the body. Every cell in the body requires oxygen to survive. The primary function of the respiratory system is the exchange of gases. The respiratory system allows oxygen and carbon dioxide exchange‚ this is necessary to sustain life. During the process of breathing air is inhaled

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    zacharys story

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    Zachary’s Story 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 sub mucosa and then the muscularis? a. 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 if the ulcer ate through to the muscularis mucosa. You

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    The action of ANS-related drugs on smooth muscle Introduction In the following experiment‚ the key objective is to compare the mechanical changes in tonic force by longitudinal smooth muscle after the addition of different concentrations of the drugs noradrenaline and acetylcholine. Peristalsis is the wave of muscle contractions that allow circular muscles to constrict the gut and longitudinal muscles to shorten it in an attempt to move the food bolus towards the rectum. A series of dilutions

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    Journey of a ham sandwich

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    the large intestine - After passing through the small intestine‚ food passes into the large intestine. In the large intestine‚ some of the water and electrolytes are removed from the food. Microbes are used in the large intestine to help in the digestion process. The first part of the large intestine is called the cecum (the appendix is connected to the cecum). Food then travels upward in the ascending colon. The food travels across the abdomen in the transverse colon‚ goes back down the other side

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    and the anus. The first step is the mouth‚ inside the mouth are the teeth which are used to processes the burger into a mush of small pieces so it can be swallowed. Saliva added by the salivary glands help moisten the food and break it down for digestion. If the food isn’t processed properly the risk run of choking on the large pieces of food are high. The next step Is the gullet‚ the gullet or oesophagus is a pipe 25cm (10m long) which passes food from the mouth to the stomach using waves of muscle

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    colitis‚ the lining of their colon develops ulcers‚ or tears. This can lead to stomach pain‚ bloody diarrhea‚ bleeding from tears around the anus‚ weight loss and decreased appetite. Special diets Healthy foods prepared simply can help maintain good digestion‚ but the wrong foods can cause any number of digestive woes. When you’re experiencing a bout of indigestion‚ you need to switch to wholesome choices‚ and avoid these hard-to-digest foods. If you have celiac disease‚ you must avoid gluten as well

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    to the stomach.)(www.gesa.org) When the food travels down the Esophagus to your stomach‚ (the sphincter valve that naturally stays closed opens to allow the food to enter the stomach.)(www.gesa.org) The stomach is now playing it role into the digestion system. This is where food is stored until the food is full broke down.(The stomach breaks down the food even further‚ the muscles and gastric acid move the food and breaks down even smaller‚ and kills any bacteria that entered with the food while

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    bio digestive systems

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    secretes acid and enzymes to break down proteins and fats. Stomach contains hydrochloric acids which dissolves food that they’ve consumed. Microbial fermentation occurs in the large intestine. Stomach stores nectar. Stomach lining releases mucus. Digestion of pollen takes place in the intestine. Comparison of digestive systems Goats have a relatively larger caecum compared to a dog Goats have a larger more complex digestive system compared to both dogs and honey possums. Honey possums have an absence

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