Renal System Physiology Exercise 9 page. 121 Name: SC 245 L Date: Point Break down: 100 points Questions: 60 points Data/Results: 15 points Summarizing activities: 25 points Introduction: In this lab we will learn how the kidney processes blood and produces urine. Activity 1: Investigating the Effect of Flow Tube Radius on Glomerular filtration. Data/Results: Please submit a chart or type your data. Questions: Please answer the questions in complete sentences and explain your answers.
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Diet For Renal Patient Fluid & Fluid Control Kidneys help control the amount of fluid that leaves your body. If your kidney disease progresses‚ your kidneys may be unable to regulate the removal of fluid from your body and as a result your doctor may ask you to limit your fluid intake. Too much fluid may cause swelling‚ shortness of breath‚ or high blood pressure. What exactly is a fluid? Fluids are any food that is liquid or anything that melts into a liquid. Examples of fluids include the
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Nephron technology makes a difference Engr Maliha Maisha Rahman Bannichi Enterprise limited Literature Review:TBN: In short‚ a TBN (total base number) measures the amount of active additive left in a sample of oil. The TBN of a used oil can aid the user in determining how much reserve additive the oil has left to neutralize acids. The lower the TBN reading‚ the less active additive the oil has left. Oil’s function is to lubricate‚ clean‚ and cool the engine. Additives are added to the oil to
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of the nephron: Sumanas‚ Inc. - The Mammalian Kidney (great animations!) http://www.sumanasinc.com/webcontent/animations/content/kidney.html National Space Biomedical Research Institute - The Formation of Urine http://www.nsbri.org/HumanPhysSpace/focus4/ep-urine.html Campbell Biology - Physiology of the Nephron http://ex-anatomy.org/gener.html IntellimedHuman Anatomy Online: Kidney Blood Filtering http://www.innerbody.com/image/card08.html 9. Imagine how the 3-D structure of the nephron would
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filtered through the kidney‚ a large of amount of glucose is retained in the filtrate and a large amount of it cannot be reabsorbed and is excreted out as urine. The large amount of glucose within the filtrate changes the osmotic pressure within the nephron‚ which reduces the amount of water that is reabsorbed back into the bloodstream. The sample with diabetes mellitus should hypothetically result in the sample of urine turning orange after 10 drops of Benedict’s Solution was added and the sample was
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is a nephron? What is the difference between the two types of nephrons? g. Nephron – structural and functional units that form urine h. Types i. Cortical nephrons – makes up 85% of nephrons; located in cortex ii. Juxtamedullary nephrons – located at the cortex-medulla junction; have long loops of Henle that deeply invade the medulla; have extensive thin segments; involved with production of concentrated urine 5. Identify the different parts of the nephron and
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The Excretory System • Main functions of the excretory system are: o to concentrate wastes and expel them from the body o to regulate fluids and water within the body • Most metabolic wastes and toxins are dissolved in the body’s internal environment‚ so the maintenance of the body fluids is essential for keeping the body free of waste products enabling it to function properly. Excretion in Invertebrates and Non-mammaliam Vertebrates • Single celled organisms and simple multicellular
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the heart and aorta to the kidneys What is the function of the nephron? Filtration of blood and the reabsorption of secreted materials What does the capsule do?It supports and protects the kidney What is the function of the cortex? It is the main sight for filtration‚ reabsorption‚ and secretion What are renal pyramids? Triangular shaped units in the medulla that house the loops of Henle and collecting ducts of the nephron. This is also the site for the counter-current system that concentrates
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Name three excretory organs of humans. What liquids carry the urea that is excreted? Which organ of another studied organism resembles the nephron in function? THREE EXCRETORY ORGANS: KIDNESY‚ LUNG‚ SKIN UREA MUST BE MIXED IN WATER TO BE EXCRETED BY THE NEPHRON AND SKIN. THE NEPHRIDIA OF THE EARTHWORM IS SIMILAR IN STRUCTURE/FUNCTION TO THE NEPHRON OF A VERTEBRATE MAMMAL KIDNEY. 3. How are the excretory wastes carbon dioxide and water produced in the body? CARBON DIOXIDE IS AN EXCRETORY
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urinary system to the endocrine & circulatory systems. • Describe the structure & function of the nephron Copyright ©2011 by Pearson Education‚ Inc. All rights reserved. Learning Objectives • Compare urinary system of the male with the female urinary system. • Identify the constituents of urine. • Differentiate processes of secretion‚ filtration‚ and reabsorption & where they occur in the nephron. Copyright ©2011 by Pearson Education‚ Inc. All rights reserved. Introduction • The urinary
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