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Urinary system
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Gets rid of cellular waste in the form of urine in your body
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•The main substances found in normal urine are:
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Metabolic waste products–electrolytes: water
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–electrolytes:
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•sodium, potassium, calcium, chloride and bicarbonate
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•Kidneys
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–two bean-shaped organs located on either side of vertebral column
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A Kidney
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Blood-filtering organ;filters water, all solutesexcept proteins fromblood;
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Kidney Functions
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reabsorbing what you need back into blood and secreting out what you don’t need =waste= urine
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•5 steps of urine formation
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1.filtration2.reabsorption3.secretion4.salt/water balance5.exiting kidney
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•ureters
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–conduct urine from kidney to bladder
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•bladder
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Urine storage organ–stores urine until expelled
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•urethra
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–small tube that extends from bladder to remove urine from body
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Nephrons
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Are slender tubes that filter water and solutes from blood
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Organs that make up urinary system
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–kidneys, ureters, bladder, and urethra
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Respiratory system
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Brings oxygen into your body and bloodstream and removes the CO2
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Metabolic waste products
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Substances left over from reactions happening inside if the cell (such as cellular respiration)
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•adrenal glands
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–located above each kidney to bladder–respond to ACTH made from anterior pituitary gland
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