demonstrate the role of the kidneys in the homeostatic control of extracellular fluid volume‚ plasma ionic concentrations‚ and osmolality. Three treatment groups were utilized: a Gatorade group‚ salt-loaded (access to 0.9 g/l00 ml NaCl) group‚ and a group who only had water. In this experiment the class was able to observe and analyze the changes in urine production as a means of determining the amount of salt the body gets on a day-to-day basis. Introduction: The kidneys are important regulators
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excretory system includes the kidney and its functional unit‚ the nephron. The excretory activity of the kidney is modulated by specialized hormones that regulate the amount of absorption within the nephron. Kidneys 1 ). They are bean-shaped organs located on either side of the backbone at about the level of the stomach and liver. Blood enters the kidneys through renal arteries and leaves throughrenal veins. Tubes called ureters carry waste products from the kidneys to theurinary bladder for storage
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URINE WHAT IS URINE is a liquid by-product of the body secreted by the kidneys through a process called urination(or micturition) and excreted through the urethra. Kidney’s waste from protein metabolism urination - the primary method for excreting water-soluble chemicals from the body. Dark yellow urine is often indicative of dehydration. Yellowing/light orange may be caused by removal of excess B vitamins from the bloodstream. Certain medications such as rifampin and phenazopyridine can
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than the vas deferens. The urinary system begins at the kidneys‚ which primary function concerning the urinary system is the production of urine. While a difference between the number of structures the esophagus (one mouth) and the ureter (two kidneys) originate from‚ many people only have one kidney‚ so this should not be contributed to a major difference‚ because many people are still able to function normally with the absence of one kidney. and it creates this movement using peristalsis‚ which
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Steven Howard What organs and tissues have successfully been ransplanted since 1950? 1954: First successful kidney transplant by Joseph Murray (Boston‚ U.S.A.) 1966: First successful pancreas transplant by Richard Lillehei and William Kelly (Minnesota‚ U.S.A.) 1967: First successful liver transplant by Thomas Starzl (Denver‚ U.S.A.) 1967: First successful heart transplant by Christiaan Barnard (Cape Town‚ South Africa) 1970: First successful monkey head transplant by Robert White (Cleveland‚ U
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system consists of two kidneys that filter the blood‚ two ureters‚ a urinary bladder‚ and a urethra to convey waste substances to the outside. 17.2 Kidneys (Fig. 17.2) A. The kidney is a reddish brown‚ bean-shaped organ 12 centimeters long; it is enclosed in a tough‚ fibrous capsule. B. Location of the Kidneys 1. The kidneys are positioned retroperitoneally on either side of the vertebral column between the twelfth thoracic and third lumbar vertebrae‚ with the left kidney slightly higher than
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chapter 10 Student: ___________________________________________________________________________ 1. Antidiuretic hormone is released by: A.anterior lobe of the pituitary B.posterior lobe of the pituitary C.hypothalamus D.adrenal glands 2. Excretion primarily rids the body of: A.excess fuels B.undigested food C.minerals D.substances that were involved in metabolism E.All of the choices are correct. 3. Benign prostatic hyperplasia: A.is prostate cancer B.involves enlargement
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symptoms including protein in the urine‚ low blood protein levels‚ high cholesterol levels‚ and swelling. The urine may also contain fat‚ which can be seen under the microscope. Nephrotic syndrome is caused by various disorders that damage the kidneys‚ especially the basement membrane of the glomerulus. This causes abnormal excretion of protein in the urine. This condition can also occur as a result of infection‚ use of certain drugs‚ cancer‚ genetic disorders‚ immune disorders‚ or diseases
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INTRODUCTION: URINARY TRACT INFECTION | | What is a urinary tract infection (UTI)? The urinary tract is comprised of the kidneys‚ ureters‚ bladder‚ and urethra. A urinary tract infection (UTI) is an infection caused by pathogenic organisms (for example‚ bacteria‚ fungi‚ or parasites) in any of the structures that comprise the urinary tract. However‚ this is the broad definition of urinary tract infections; many authors prefer to use more specific terms that localize the urinary tract infection
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PHI 111 Final Paper: Dilemmas in My Sister’s Keeper by Jodi Picoult The novel “My Sister’s Keeper” by Jodi Picoult explores the medical‚ legal‚ ethical and moral issues related to long term illness and discusses some of the bioethical issues around the experimental technique known as pre-implantation genetic diagnosis. The author presents many ethical dilemmas when a couple chooses to genetically engineer a baby to create a bone marrow match for their terminally ill daughter. That creation is
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