Did you ever wonder why we’re not supposed to drink sea water? A kidney can’t make urine from a concentration of salts of more than 2%. Seawater is made of 3% salt, so if we drink it, the kidneys have to use existing water from our body to dilute and absorb the extra salt, which in turn makes us even thirstier. This keeps happening until we die of dehydration.
All mammals weighing more than 2.2 pounds take roughly 20 seconds to empty their bladders. That includes everything from domestic cats to elephants—and an elephant’s bladder holds several bathtubs worth of urine.
The average, commercial-sized public pool contains about 20 gallons of pee.
Mike Tyson was addicted to coke and alcohol, getting high before some of his major fights. He used a fake penis with another person’s urine to avoid detection.
Photo : Abelito Roldan / flickr
Portland drained and discarded 38 million gallons of treated water because a drunk teen urinated in it.
Photo : Reuters/ Steve Dipaola
Red, irritated eyes after swimming in a pool isn’t cause by chlorine — It’s caused by urine. source
image via pixabay
Before modern testing methods, doctors would actually taste a patient’s urine if they suspected the person had diabetes. source
Hans von Gersdorff, Feldtbüch der Wundartzney, 1517. Urine wheel by Ullrich Pinder, 1506.