feed the body. Food is passed through the alimentary canal or the gastrointestinal tract (GI tract). The alimentary canal is made up of the oral cavity‚ pharynx‚ oesophagus‚ stomach‚ small intestines and large intestines. The Renal (urinary system) consists of the kidneys‚ ureters‚ urinary tract and urethra. The kidneys filter the blood to remove wastes and produce urine. The ureters‚ urinary bladder and urethra form the urinary tract‚ which acts as a plumbing system to drain urine from the kidneys
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‘Enteral nutrition (EN) refers to nutrients given via the gastrointestinal tract’ (GIT) (Crisp and Taylor 2009 pp.1154). EN is considered when an individual is not safe for oral intake or when oral intake is not adequate to meet nutrient requirements‚ for example when a patient is unable to swallow. Enteral feeding tubes may enter the body at a number of different sites‚ the choice of enteral feeding route depends on several factors such as the intended duration of the nutrition support‚ the patients
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This can happen by excretions/secretions‚ non-intact contact‚ respiratory and gastrointestinal tract as well as mucus membranes. - Fourth you have transmission‚ how is the agent transmitted from the reservoir to a host. This can be achieved through direct (contact or droplet) or indirect (airborne or vehicle borne). This happens through
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Introduction 1. Explain the function of chemical digestion. The function is to break down food‚ using enzymes and other digestive chemicals to reduce food into particle nutrients molecules that be absorbed and move it through the digestive tract. Digestive Chemicals 2. What is the general function of digestive enzymes? Do most of the works in chemical digestion 3. Identify other chemicals needed for digestion. a. Water c. Bile b. Gastric acid d. Bicarbonate 4
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Chemical digestion‚ mechanical digestion Large Intestine: Propulsion‚ absorption chemical digestion 4. Absorption is the physiologic process by which molecules of food are taken from the gastrointestinal tract into the circulation. (Cherif‚ 2011 ) Propulsion is the movement of food along the digestive tract. The major means of propulsion is peristalsis‚ a series of alternating contractions and relaxations of smooth muscle that lines the walls of the digestive organs and that forces food to move
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and over 694‚000 deaths every year. Gastroenterologists‚ specialists of gastrointestinal tract diseases‚ recommend regular screening tests to help prevent colon cancer by identifying polyps before they become cancerous. Endoscopy is a nonsurgical procedure used to examine a person’s digestive tract. Using an endoscope‚ a flexible tube with a light and camera attached to it‚ your doctor can view pictures of your digestive tract
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The Digestive System: Anatomy Review 1. List two main divisions of the digestive system. a. Gastrointestinal tract b. Accessory digestive 2. The four main layers of the digestive tract wall are a. Mucosa b. Submucosa c. Muscularis Externa d. Serosa 3. Label the diagram below with the four main layers you listed in question 6. 4. The mucosa includes a type of columnar __cell______that forms the inner lining of the lumen 5. Blood and lymph vessels of the mucosa are found in its _epithelial
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dyspnea‚ tachypnea‚ vomiting‚ coughing‚ and anorexia‚ with tachypnea and dyspnea being the most common. However in some patients‚ clinical signs may not be observed or may be severe enough to cause sudden death due to compromise of the cardiac‚ gastrointestinal‚
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undergoing chemotherapy or radiotherapy Colon: Why is the colon important? What diseases most alter the function of the colon? What medications are dissolved in this portion of the intestine? How is bacteria beneficial and also harmful in the gastrointestinal tract? A healthy
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circuit‚ being transported in arteries. With the oxygen of the blood having been diffused into tissue cells‚ the blood that has gone through the digestive tract enters into the hepatic portal system‚ while blood that has not gone through the digestive tract is transported directly back to the heart. The blood that has done down the digestive tract is brought by the hepatic portal vein to the liver‚ to be filtered and cleaned before going back to the heart. For the blood to get back to the heart‚ the
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