What are some of the different types of kidney stones? A kidney stone develops from crystals that separate from urine and build up on the inner surfaces of the kidney. Normally‚ urine contains chemicals that prevent or inhibit the crystals from forming‚ however‚ in some people‚ stones still become formed. Crystals that remain small enough will travel through the urinary tract and pass out of the body in the urine without even being noticed. · calcium stones Calcium stones are the most common type
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Kidneys for sale: poor Iranians compete to sell their organs In the only country where the organ trade is legal‚ the streets near hospitals have been turned into a ’kidney eBay’ Would-be sellers advertise their kidneys by writing their blood type and phone number on posters or walls of the street close to several of Tehran’s major hospitals. Photograph: Torab Sinapour for the Guardian Marzieh’s biggest challenge in life is to come up with money for her daughter’s wedding. In Persian custom‚ it
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Jill Osterhage BC1025 Week 3 LOM Lung Conditions Caused from 9/11 September 11‚ 2001just after 8:45a.mif you turned the television on the images you saw took your breath away. Little did we know that 14 years later that would be one of the aftermath a lot of the servers‚ first responders and people who were in the area that day would still be feeling. Due to the collapse of the Twin Towers and the fumes from jet fuel burning people are surfing daily from repertory
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(Breathing in) As you inhale‚ your diaphragm contracts or tightens and moves downward and this lead to increases the space in your chest cavity which causes your lungs to expand. The intercostal muscles that are found between your ribs helps with enlarge the chest cavity as they contract which pulls your rib cage both upward and outward as you inhale. The expandation of your lungs causes the air to be breathed in through your nose or mouth. The air goes down your windpipe and into lungs. Through your
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opposite to the negative feedback is the positive feedback which in a situation a change is made and is amplified rather than returned to normal. The picture shows below an example of a homeostasis mechanism‚ showing the changes the body would make in keeping the blood glucose at set point. Picture 1 ( http://www.bio.miami.edu/~cmallery/150/physiol/c45x10glu-homeostasis.jpg) In the homeostatic system many organs have specific roles. The kidney as several roles as a homeostatic organ‚ one of the
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Chapter 6 Ossecous Tissue and Skeletal Structure The Skeletal system consists of bones and their associated connective tissues‚ including cartilage‚ tendon and ligaments. I. Function of the Skeletal System 1) Bone- The most rigid component of skeletal system a) Support- serves as a framework; Maintains body’s shape b) Protection- of critical internal organs‚ brain‚ heart and lungs c) Lever System- for muscles to produce body movements d) Mineral storage- e.g. Calcium and
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1. Epithelial tissue ________. A) is usually acellular B) contains a number of neuron types C) is highly vascularized D) has a basement membrane 2. Which is true concerning muscle tissue? A) cuboidal shape enhances function B) is a single-celled tissue C) highly cellular and well vascularized D) contains contractile units made of collagen 3. Which of the following is true about epithelia? A) Pseudostratified epithelia are commonly keratinized. B) Stratified epithelia are
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8%)] = 1.6% 20% – 8% = 12% αB = 18% – [8% + 1.8 × (16% – 8%)] = – 4.4% 18% – 8% = 10% αC = 17% – [8% + 0.7 × (16% – 8%)] = 3.4% 17% – 8% = 9% αD = 12% – [8% + 1.0 × (16% – 8%)] = – 4.0% 12% – 8% = 4% Stocks A and C have positive alphas‚ whereas stocks B and D have negative alphas. The residual variances are: 2(eA ) = 582 = 3‚364 2(eB) = 712 = 5‚041 2(eC) = 602 = 3‚600 2(eD) = 552 = 3‚025 b. To construct the optimal risky portfolio‚ we first determine the optimal active portfolio
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Connective Tissue As the name implies‚ connective tissue serves a "connecting" function. It supports and binds other tissues. Unlike epithelial tissue‚ connective tissue typically has cells scattered throughout an extracellular matrix. Loose Connective Tissue In vertebrates‚ the most common type of connective tissue is loose connective tissue. It holds organs in place and attaches epithelial tissue to other underlying tissues. Loose connective tissue is named based on the "weave" and type
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Kidney Cancer KIdney Cancer is when cells in the body grow out of control. These cells can form a tumor or damaged tissue. If cancer cells grow in the kidney‚ it is called kidney cancer. The most common kidney cancer in adults is renal cell carcinoma. It forms in the lining of very small tubes in the kidney. Cancers found in the center of the kidney are known as transitional cell carcinoma. Wilms tumor is a kidney cancer that very young children can get. On average‚ people are diagnosed with kidney
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