two kidneys that filter the blood‚ two ureters‚ a urinary bladder‚ and a urethra to convey waste substances to the outside. 17 -3 Copyright The McGraw-Hill Companies‚ Inc. Permission required for reproduction or display. Kidneys A. The kidney is a reddish brown‚ bean-shaped organ 12 centimeters long; it is enclosed in a tough‚ fibrous capsule. 17 -4 CopyrightThe McGraw-Hill Companies‚ Inc. Permission required for reproduction or display. B. Location of the Kidneys 1. The kidneys are positioned
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processes. Better known for their ability to process waste‚ the kidneys are responsible for the secretion of four different hormones: rennin‚ calcitriol‚ erythropoietin and thrombopoietin These chemicals released by the kidneys affect a wide range of bodily processes dealing with the circulatory and skeletal systems. Understanding the endocrine functions of the kidneys is necessary to understand the full impact the kidneys have on the body. Rennin is a proteolytic enzyme responsible for
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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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Question #5 Unlike their friend Jemima‚ the other patients have all experienced a drop in blood pressure (Hypotension) and have an elevated heart rate (125-135 bpm) Hypertension occurs when blood pressure drops below 90 mm Hg systolic or 60 mm Hg diastolic number. Due to the girls all consuming substances that affect their bodies to normally retain water‚ they have all suffered similar symptoms but to different degrees. Dehydration causes the volume of blood circulating through the body to decrease
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intestine). The tapered left side of the organ is called the body and extends slightly superiorly/upward and the end‚ called the tail lies near the spleen.The gallbladder is located inferior to the liver and is on the right side of the abdomen. The kidneys are located in the posterior part of the abdomen. The left
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usually leads to other problems having to do with your eyes‚ kidneys‚ and nerves. With your eyes cataracts and/or retinopathy can develop with retinopathy‚ damage to the retina‚ being more common. In order to avoid these problems keeping your blood glucose and having annual dilated eye check ups are important. Then also with microvascular complications comes kidney disease‚ or diabetic nephropathy‚ which can lead to dialysis and kidney transplant. Again poorly controlling your diabetes is what will
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INTRODUCTION Kidneys are two bean-shaped organs‚ each about the size of your fist. They’re located at the back of your upper abdomen‚ on either side of your spine. Their main function is to eliminate excess fluid and wastes from your body by filtering them out of your blood. When your kidneys lose their filtering ability‚ dangerous levels of fluid and waste accumulate in your body — a condition known as kidney failure. One form of kidney failure — chronic kidney failure — usually develops
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Antidiuretic hormone is released by the pituitary gland in the brain to signal the kidneys to retain water. When ADH causes water reabsorption from the kidney tubules‚ the salts and wastes are concentrated in what will eventually be urine. High level of ADH secretion and water retention happen when dehydration causes increase of osmolarity. ADH then travels in the bloodstream to the kidneys where it transforms the kidneys to be more permeable to water by inserting water channels called aquaporins.
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Is it ethical to buy or sell human organs? For this ethical issue‚ a college student with heavy financial burdens chooses to sell his kidney to meet his urgent financial needs‚ however‚ he later learns that it is illegal to sell his own kidney. Therefore‚ why should it be illegal for him to sale his own kidney if we have free will over our own bodies and we have the right to what we can or cannot do with our bodies? If medical companies can turn a profit on dead people’s donated bodies and organs
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transmit impulses‚ and regulating the balance of blood and body fluids. I believe it is important to monitor your sodium intake in order to stay in good health. Kidneys are the most common concern when too much sodium is being taken in because it can lead to damage to the heart. When there is an excessive amount‚ the kidneys are unable to keep up with the body as they are trying to excrete waste. As sodium is taken in‚ the body retains water to dilute the sodium which leads to an increase in
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