Urinary System Organs Medical Presentation

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Published on : Sep 02, 2017 | Views : 1934 | Downloads : 3

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Urinary System: Their Parts and Functions
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Two kidneys A pair of purplish-brown organs located below the ribs toward the middle of the back. Their function is to: 1. remove liquid waste from the blood in the form of urine 2. keep a stable balance of salts the and other the substances in the blood 3. produce erythropoietin
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The kidneys remove urea from the blood through tiny filtering units called nephrons. Each nephron consists of a ball formed of small the blood capillaries, called a glomerulus, an a small tube called a renal tube. Urea, together with water and other waste substances, forms the urine as it passes through the nephrons and down the renal tubules of the kidney.
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Two ureters Narrow tubes that carry urine from the kidney to the bladder.
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Urinary bladder A triangle- shaped, hollow organ located in the lower abdomen. It is held in place by ligaments that are attached to other organs and the pelvic bones.
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Two sphincter muscles circular muscles that help keep urine from leaking by closing tightly like a rubber band around the opening of the bladder
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Urethra the tube that allows urine to pass outside the body
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Nerves in the bladder: Sacral nerve Alert a person when it is time to urinate, or empty the bladder