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Urinary system HTML5


The kidney is the organ of the urinary system where urine is produced. Urine is transported to the bladder by the ureters. It is finally eliminated from the organism through the urethra.

Urine contains blood waste (urea, creatine, certain medications, etc).

It is at the level of the nephron of the kidney where the waste passes from blood to urine.

Click on to view a section of a kidney and a nephron.

Learning goals

  • Discover the organs of the urinary system.
  • Understand the structure and the role of the kidney.
  • Explain the function of the nephron and the production of urine.

Learn more

Thanks to the formation of urine, the organism can eliminate waste found in blood: these are the substances resulting from metabolism (urea, urique acid, creatine...), medicinal or toxic…

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