KERMOAL / BSIP / SCIENCE PHOTO LIBRARY KERMOAL / BSIP / SCIENCE PHOTO LIBRARY
Human excretory system. Artwork of a human figure seen from behind, with the organs of excretion shown in their relation to parts of the skeleton. The kidneys (brown) are located in the back near the lower ribs either side of the vertebral column (spine). A ureter descends from each kidney to the bladder (yellow) at the base of the pelvis below the sacrum (the base of the spine). Urine produced in the kidneys as they filter the blood is passed through the ureters to the bladder. The urine is then voided from the body through the ureter (not shown).
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