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excretory system

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by

Da'Mere Wilson

on 29 April 2013

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Transcript of excretory system

By Da'Mere Wilson
& Amanda Langston The Human Excretory System general overview The Excretory system often is misunderstood as just the urinary system but it actually performs more excretory processes than just urination.Such as the expulsion of sweat,oxygen and hormones. the urinary system The organs, tubes, muscles, and nerves that work together to create, store, and carry urine are the urinary system. The urinary system includes two kidneys, two ureters, the bladder, two sphincter muscles, and the urethra. the liver & the lungs The liver is a large, important organ. It functions in the excretory system by breaking down some proteins & other nitrogenous compounds in a process called deamination and forms the nitrogenous waste called urea,which is expelled in urination. the skin As you already know, sweat comes out of pores in your skin. As you may not know, sweat is a mixture of three metabolic wastes: water, salts, & urea. So as you sweat, your body accomplishes two things:
1) cooling down your body
2) excreting metabolic wastes importance & significance of the excretory system Contrary to popular belief,the excretory system plays one of the most important roles in our bodies; the removal of toxic wastes and acids.If these wastes aren't removed they could cause various ailments and even death;making it essential to life. Your lungs remove the carbon dioxide that builds in your blood from respiration using specialized branches of cells called alveoli. It is this process specifically that makes lungs a part of the excretory system.
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