Why Mammals Pee For The Same Amount Of Time
The bladder of an elephant can hold more than 40 gallons of urine. Yet, it empties its bladder in the same amount of time as a mouse.
Key Facts In This Video
Mammals pee for approximately 21 seconds, regardless of species. (0:18)
There's a mathematical equation based on different mammals' urinary systems used to explain the phenomenon: (0:58)