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Either Ur- ine or Your Out

And the S tory of the U rinary S ystem. Either Ur- ine or Your Out . Urinary System. Where is urine found?. What structures contain urine?. Ureter Kidney Urinary bladder Inferior vena cava Renal vein Urethra Aorta rectum. Organs of the Urinary System.

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Either Ur- ine or Your Out

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  1. And the Story of the Urinary System Either Ur-ine or Your Out

  2. Urinary System Where is urine found?

  3. What structures contain urine? • Ureter • Kidney • Urinary bladder • Inferior vena cava • Renal vein • Urethra • Aorta • rectum

  4. Organs of the Urinary System • Kidneys – Major organ of the urinary system • What do kidneys do? How many kidneys? • Ureters – tubes with smooth muscle connecting kidneys to bladder • What do Ureters do? How many Ureters? • Urinary Bladder – sac with a layer of circular fibers and 2 layers of longitudinal muscle • What does the Bladder do? How many bladder openings? • Urethra – Small tube that extends from the bladder to an external opening • What does the Urethra do? How many sphincters on the Urethra?

  5. Major Functions of the Urinary System • Excretion of Metabolic Wastes • Maintenance of Water-Salt Balance • Maintenance of Acid Base Balance • Secretion of Hormones Page 160 in your book!

  6. Osmosis Reviewed

  7. Tubular Reabsorption Nutrient and salt molecules are actively reabsorbed from the convoluted tubules into the peritubular capillary network, and water follows passively. Glomerular Filtration Tubular Secretion Water, salts, nutrients molecules, & waste molecules move from the glomerulus to the inside of the glomerular capsule. Certain Molecules are actively secreated from the peritubular capillary network into the convoluted tubules.

  8. 3 main steps in Urine Formation

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