There is no express authority in the Constitution for judicial. review, and the argument in favor of the authority by implication, as. applied to national legislation, is far from conclusive. The argument for judicial review was formulated by Chief Justice.
But, if you don't drink much, your kidneys only produce a small amount of concentrated urine, keeping as much water as possible in your body. In 24 hours, your kidneys filter around 150 litres of blood and produce roughly 1.5 litres of urine.
This means that the kidneys are removing all the creatinine found in 100mls of blood every minute - almost 150 litres per day! Most of this 150 litres is absorbed back into the body, so that only 1-2% of the filtrate appears as urine.