Assertion: urine | /r/CreatedBy | kidney
Facets:
Source sentences:
text: Urine is produced by the kidneys, two fist-sized organs located on either side of the spine at the bottom of the ribcage.
text: Once the urine has been produced by the kidney, it flows down a narrow tube known as the ureter into the bladder.
text: Urine is a liquid produced by the kidneys and eliminated from the body through the urethra.
text: Finally, the urinary bladder temporarily stores the urine produced by the kidneys until urination and then excrete it through the urethra.