...As a network of capillaries, the glomerulus acts as a filtering unit by keeping normal proteins and cells in the blood while allowing the filtrate, which contains particles such as ions, sugars, and ammonia, to pass through to the glomerular capsule and exits into the renal tubule (Tilley, 2003). Glomerular filtration is regulated by blood pressure and osmosis. A decrease in blood pressure results in the release of renin by renal juxtaglomerular cells, which is transformed into angiotensin, ultimately causing vasoconstriction. Vasoconstriction results in the increase of blood pressure, thus powering filtration (Ira, 2009). There are four distinct regions of the renal tubule through which the filtrate is modified prior to becoming urine: the proximal convoluted tubule, the loop of Henle, the distal convoluted tubule, and the collecting duct (Crowder, 2010). The proximal convoluted tubule reabsorbs a large majority of the filtrate via active and passive transport. By means of a countercurrent multiplication mechanism, the loop of Henle is able to concentrate the fluid (Tilley, 2003). In response to the release of anti-diuretic hormone (ADH) from the posterior pituitary gland, water is reabsorbed in...
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...researchsubmission@hotmail.com Research Paper HUMAN URINE AS A FERTILIZER- A COMPARATIVE STUDY USING SOLANUM LYCOPERISCUM AND CAPSICUM SP. Rajani, V1., Alaka, R. S2., and Sajitha Rajan S.3 1, 2 P G Department of Environmental Sciences, 3Department of Botany All Saints’ College, Thiruvananthapuram, Kerala, India. Abstract Fertilizer is any organic or inorganic material of natural or synthetic origin (other than liming materials) that is added to soil to supply one or more plant nutrients essential to the growth of plants. Urea fertilizer production has developed during the last decades so that urea is one of the most important industrial nitrogen fertilizers and new urea–ammonia fertilizer plants have been built recently, for instance in India. Human urine is a natural resource, which is available in all human societies even in the poorest ones which can be used as a natural fertilizer. Urine contain rich plant nutrients, since the human kidney is the main excretory organ and thus urine contains most of the nutrients present in human food which have not been utilized for new cell growth or energy consumption. In the present study two plant materials were selected- Solanum lycopersicum and Capsicum sp. In this study, soil analysis as well as estimation of protein, ascorbic acid, proline and Ascorbate Peroxidase enzyme (APX) for the two study materials grown with different concentrations of human urine fertilizer was done. Plant growth and morphological...
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...Osmosis Experiment Diana Arrowood Grand Canyon University BIO-100L Biology Concepts September 16, 2011 Osmosis Experiment Directions Use the information below to complete the Osmosis Experiment. Materials 1 fresh baking potato Water Salt Four small containers (i.e., drinking cups or clear glasses) A metric ruler Methods and Procedure 1) Place 1 cup (236 ml) of water in each of the 4 containers. In 2 of the containers, add 1 tablespoon (14.8 ml) of table salt and mix well until dissolved. Label which containers have salt. Cut a fresh baking potato into 5 mm slices. Cut four rectangles 2.5 cm x 1 cm from the slices as close to the same size as possible. Measure the length and width of each rectangle in metric units and place one in each of the containers, keeping track of which measured slice went in which container. There will be two slices (duplicates) for fresh water and two for salt water. After 1 hour, remove and measure the length and width of each piece of potato and return it to the appropriate container. Note any physical changes. After 24 hours, remove and measure the length and width of each piece of potato. Note any physical changes in the potatoes and describe their appearance. Written Lab Report Introduction 1) Address the following questions: A) Define osmosis. Osmosis is the movement of solvent molecules through a selectively permeable membrane into a region of higher solute concentration, aiming to equalize the solute concentrations...
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...Group Members:Edna Rodriguez, Bryce Bash, Alex Chick, Kang Park, Rose Date: 4/3/14 LI Jonathan Turner Unique 49190 Day: Thursday Room: 1.24 Lab Start Time 1:30pm Exercise 10 Lab Report Adhere to UT’s Honor Code and course policies. Answer group questions individually first before compiling them into one consensus group response. Individual questions are to be answered independently. Balance between brevity and completeness. Show your work for all calculations and be sure to include proper units where necessary. Any secondary resources need to be cited. One printed report is to be submitted at the START of your next laboratory period as well as a digital pdf version uploaded to Canvas. GROUP QUESTIONS 1. List the functions of the following external structures: (3 pts.) (a.) Chelapeds: large walking appendages of a crayfish; appendages allow the crayfish to grasp and tear food, and also defend itself (b.) Walking legs: the 4 pairs of appendages used to locomote in the crayfish, they are equipped with gills which allows for gas exchange (taking in oxygen, releasing carbon dioxide) (c:.) Maxillapeds: an appendage modified for feeding: holding food, touching and tasting (d.) Cephalothorax: the first segment of a crayfish, consisting of a head fused to the thorax (e.) Genital pore: location of where sperm or eggs are released (f.) Nephridiopore: Part of the excretory system for removing nitrogenous waste. (g.) Abdomen: the multi-segmented posterior region of the crayfish used...
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...LITERATURE REVIEW http://suite101.com/article/xeno-estrogens-in-water-bottles-disrupting-male-and-female-hormon-a232123 A new study from Harvard School of Public Health (HSPH) researchers found that participants who drank for a week from polycarbonate bottles -- the popular, hard-plastic drinking bottles and baby bottles -- showed a two-thirds increase in their urine of the chemical bisphenol A (BPA). Exposure to BPA, used in the manufacture of polycarbonate and other plastics, has been shown to interfere with reproductive development in animals and has been linked with cardiovascular disease and diabetes in humans. The study is the first to show that drinking from polycarbonate bottles increased the level of urinary BPA, and thus suggests that drinking containers made with BPA release the chemical into the liquid that people drink in sufficient amounts to increase the level of BPA excreted in human urine. In addition to polycarbonate bottles, which are refillable and a popular container among students, campers and others and are also used as baby bottles, BPA is also found in dentistry composites and sealants and in the lining of aluminum food and beverage cans. (In bottles, polycarbonate can be identified by the recycling number 7.) Numerous studies have shown that it acts as an endocrine-disruptor in animals, including early onset of sexual maturation, altered development and tissue organization of the mammary gland and decreased sperm production in offspring. It may...
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...candy chromatography Background Information and Research Give a simple explanation, in your own words, of what paper chromatography is and what it is used for. Paper chromatography is to separate mixtures into their own. Give at least three real-world uses for paper chromatography used in the fields of chemistry and biology. This can be used to test for contaminants in rainwater, analysis of narcotics and detection of substances in urine. Be sure to include references for any research conducted for this section. Purpose In one or two complete sentences, state the purpose of this laboratory investigation. Materials Candy( skittles) colors: red, blue, pink, and green rubbing alcohol 2 coffee filters 2 glass cups pencil ruler foil water table salt cotton swabs measuring cup pitcher Procedure Cut coffee filters in to rectangles 3cm by 9cm put 4 water drops on a piece of foil and put each piece of candy in the water . Drew a line 1cm from the edge of the paper put 4 dots on the line for each color dipped a cotton swab in each color and added to the coffee filter three times each mixed 1/8 teaspoons of salt and 3 cups of water in to a pitcher and shaked it until it was dissolved poured the salt water in to a glass cup so that the liquid level was ¼ inch put the coffee filter in to the salt water the dyes started to separate repeat steps 2-9 but with alcohol and...
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...redirect customers from some of the more harmful plans and approaches. Recently, a pharmacist friend of mine was asked about how to best to manage a “plateau” on the hCG diet. He admitted that he never knew it was being dispensed for weight loss purposes. He mentioned that he frequently dispensed human chorionic gonadotropin (hCG), and knew of its use for the treatment of infertility, where it promotes ovulation. But weight loss? He confessed that he couldn’t think of a mechanism for how hCG could promote weight loss. So, he approached me (his biology/nutrition based friend) to see if I were willing to investigate this weight loss method for him. After some digging, I found a long, rich vein of pseudoscience that dates back decades, but was this method safe and effective? The Background: hCG is comprised of 244 amino acids. It is produced in large amounts in a pregnant woman’s placenta, extracted from her urine. Actually, its presence in urine signifies a positive pregnancy test. Historically, hCG is used, in part, for the treatment of infertility in females to help induce ovulation. Its use as a weight loss adjunct has roots that date back to the 1950s, when British physician A.T.W Simeons announced case studies of weight loss in patients given hCG. He combined a reduction diet (500 kcal per day) with daily injections of the pregnancy hormone human chorionic gonadotropin (hCG) (125 IU i.m.). According to Simeons the patient should not lose more weight during a 4-to-6 weeks' diet...
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...biologically-controlled mega-network controlled by the central nervous system communicates with an external body sensor using a wireless communication technology (Thomas, Javier, & Espina. 2006, p.60). Urine test strips or dipsticks have for a long time been used to detect renal failure. The disadvantage of using this method is that it can produce false results if not utilized in the appropriate conditions. One example is when erythrocytes and leukocytes precipitate at the bottom of the container; they cannot detect if the sample is not mixed. Another limitation is that excess urine extracted can cause spillage of the pads thus the reagents of the adjacent pads mixes with the distorting colors (Thomas, Javier, & Espina. 2006, p.60). The pad could also be disrupted causing a false positive. The advantage of the sol-gel biosensor is that it can easily detect non polar molecules that can cause kidney failure and that do not respond to most measurement devices; other methods take a long time to discover the kidney failure at the time when it has already advanced causing permanent to the kidney. These sensors are also specific as the immobilized system used in them. Another benefit that comes from using a smart urinary sensor is that it can be used repetitively; unlike enzymes used in a urine strip which have a short life span. By researching on this device, we will able to find a faster and more effective way of detecting kidney failure and be able to treat the disease. They...
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...Assessment task 2- Scenario 2 Urinary tract infection is one of the most common infections diagnosed among women in the world. There has been increasing concern for alternative method to treat urinary tract infection over antibiotics since misuse of antibiotics can led to bacterial resistance(Scholes et al., 2004). This essay will establish PICO (population, intervention, comparison and outcome) question in the given scenario where a 22 year old Susan visits the GP with symptoms of urinary frequency, dysuria, lower back pain and shivering. She was diagnosed with Urinary tract infection (hereby referred as UTI) and antibiotics were prescribed. However after developing thrush due to antibiotics for urinary tract infection previously, she is reluctant to take antibiotics. On surfing the internet she read about cranberry juice being used to treat UTI and is considering to stop her antibiotics. PICO question development In order to provide the right pathway to commence our research and ensuring that every questions are suitable and relevant, PICO model will be used which is Population, Intervention, Comparison and Outcome(Bronson and Davis, 2011). In the given scenario, population would be women suffering from UTI. Similarly intervention is using cranberry juice to prevent UTI and comparison is to use antibiotics. Richardson et al., 2014 mentioned that the outcome would analyze the effectiveness of the intervention. Therefore the outcome would be effectiveness of cranberry...
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...death called Post Mortem Death Investigation. A Forensic toxicologist specializing in post mortem death investigations usually works with a forensic pathologist during an autopsy to help determine the cause of death. Toxicologists also rely on the help of crime scene detectives to aid in providing information about what was observed during the time the body was found. Physical evidence such as pill bottles, trace residues or drug paraphernalia can aid in determining what chemicals will be found. While performing an autopsy, the forensic toxicologists’ role is to obtain samples of body fluid and tissue from the pathologists and perform tests seeking to find any traces of chemicals. Urine, blood, hair and oral fluids are the most common samples taken from the body to be sent for analysis. Gastric contents from the stomach of the body can also be extracted to test for undigested pills, food or liquids digested prior to death. The vitreous humor found in the eye (ocular fluid) can also be used to estimate the time of death and can help signify renal disease and calcium status. Initially, toxicologists are looking for any amounts of chemicals in the body. In the event the amounts found exceed a normal range or are considered a poison or drug, the toxicologist conduct “a more sophisticated test is d using techniques such as mass spectrometry, which can identify chemicals in substances by their mass and charge” ( Doheny). Mass spectrometry is a more sensitive testing method...
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...The assessment and management of acute Pyelonephritis in pregnancy ------------------------------------------------- Urinary tract infection (UTI) incorporates a range of conditions including acute pyelonephritis or kidney infection. It is almost invariably caused by bacteria (Brown et al 2005, Le 2004). The incidence of this disease in pregnancy has decreased in recent years (Dawkins et al 2012), possibly due to improved antenatal care. However, it remains one of the most common complications in pregnancy (Hill et al 2005) affecting 1-2% of pregnant women (Dawkins et al 2012, Hill et al 2005, McCormick 2008). Acute Pylonephritis is the most serious urinary tract infection in pregnancy (Le 2004, McCormick et al 2008) and successful treatment usually requires hospital admission (Jolly and Wing 2010). It is most often seen in nullparous and younger women and there appears to be a link with lower socioeconomic status, diabetes and sickle cell disease, although not with ethnicity (Hill et al 2005, Jolley et al 2012). It is more common in the 2nd and 3rd trimester (Archabald et al 2009, Hazhir 2007, Hill et al 2005) as the presence of urinary pathogens seems to increase as pregnancy advances (Hill et al 2005). There does appear to be an association between repeated urinary tract infections and sexual activity (Bernard et al 2011, Pfau and Sacks 1992). If not effectively treated, acute pyelonephritis may have serious consequences for both the mother and fetus. Urinary...
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...Rebecca Walker Forensic Toxicology CRJ 311 Dawn George 4/22/2013 History Forensic science is defined as the application of science to the law. There are different types of forensic science, and each plays an integral part in the criminal justice system. Forensic biology usually involved DNA testing and its results. Forensic anthropologists examine human remains that have become skeletons in an attempt to determine how long the remains have been in a location and to try to determine a possible cause of death. Forensic toxicology falls into the category of forensic chemistry. Forensic toxicologists study toxins, drugs, poisons, alcohol, and other things found in the blood or tissues of crime victims or perpetrators. Forensic toxicologists study the blood and tissues of living people as well as deceased persons. The rapid advancement of technology in the last century and, in particular, the last three decades, has helped forensic scientists solve many crimes, even those that had been cold for decades. Technology is quickly changing and improving the methods by which crimes can be solved. The first evidence of scientific methods being used to identify people occurred in China in 700BC. Chinese artists used fingerprints to identify pieces of art they had produced. Of course, there was not computerized system to file or categorize these fingerprints. However, this is the first known instance of fingerprints being used for identification purposes. Clearly, things...
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...They use and collect evidence such as: “blood, stomach contents, bile, organs, parts of the brain, nail clippings, hair, urine,” the body itself, and its clothing. “Studying tissue and laboratory results can determine how a person died and give evidence in court about the cause and time of death (CNFC).” It also includes what they were doing at that time and what condition their health was in. Experienced forensic pathologists can make from $50,000 up to $500,000 a year. Forensic pathologists deal with dead bodies on an everyday basis, including mutilated and decomposed bodies, which requires them to have a very strong stomach. With every case, pathologists have to write reports and make court appearances. Their work can take place on “ a clean, well-lit laboratory, although they can visit different places to examine a crime scene (CNFC).” The standard tools...
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...Heredity is defined as the transmission of genetic characters from parents to offspring Professor Donald C Biology 122 04/22/2013 Heredity Is Defined As The Transmission Of Genetic Characters From Parents To Offspring Introduction Anatomy refers to the science dealing with the description and identification of the structure of organs, tissues and organisms. It studies the body parts structures and how they relate with each other; it enables us to understand the relationship between the bones, muscles, ligaments and tendons. On the other hand, Physiology is the science which studies the functions of tissues, cell, organisms and organs. Physiology combines both physics and chemistry in its explanations. Physiology therefore, refers to the study of how the body functions. The reproductive system of male organs is specialized for: the production, transportation and maintain the sperm (these are the male reproductive cells) and also included are the semen, which is the protective fluid. Another function for the male reproductive organs is to discharge the male reproductive cells into the female reproductive tract. They also secrete and produce male sex hormones. The female anatomical structure is more complicated than the males’. There are many distinct anatomical structures comprising both internal and external tracts of the female genitalia; corpus spongiosum and labia minora (vestibular), urethra, G-spot, Halban’s fascia and peri-urethral glans, cervix...
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...INSTRUCTOR GUIDE Human Anatomy & Physiology Laboratory Manual MAIN VERSION, Eighth Edition Update CAT VERSION, Ninth Edition Update FETAL PIG VERSION, Ninth Edition Update ELAINE N. MARIEB, R.N., Ph.D Holyoke Community College SUSAN T. BAXLEY, M.A. Troy University, Montgomery Campus NANCY G. KINCAID, Ph.D Troy University, Montgomery Campus PhysioEx™ Exercises authored by Peter Z. Zao, North Idaho College Timothy Stabler, Indiana University Northwest Lori Smith, American River College Greta Peterson, Middlesex Community College Andrew Lokuta, University of Wisconsin—Madison San Francisco • Boston • New York Cape Town • Hong Kong • London • Madrid • Mexico City Montreal • Munich • Paris • Singapore • Sydney • Tokyo • Toronto Editor-in-Chief: Serina Beauparlant Project Editor: Sabrina Larson PhysioEx Project Editor: Erik Fortier Editorial Assistant: Nicole Graziano Managing Editor: Wendy Earl Production Editor: Leslie Austin Composition: Cecelia G. Morales Cover Design: Riezebos Holzbaur Design Group Senior Manufacturing Buyer: Stacey Weinberger Marketing Manager: Gordon Lee Copyright © 2009 Pearson Education, Inc., publishing as Pearson Benjamin Cummings, 1301 Sansome St., San Francisco, CA 94111. All rights reserved. Manufactured in the United States of America. This publication is protected by Copyright and permission should be obtained from the publisher prior to any prohibited reproduction, storage in a retrieval system, or transmission in any form or by any means...
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