S1·E29 – The Excretory System: From Your Heart to the Toilet
2012-08-13 • 15 min
Hank takes us on the fascinating journey through our excretory system to learn how our kidneys make pee.
2012-08-13 • 15 min
Hank takes us on the fascinating journey through our excretory system to learn how our kidneys make pee.
