No, the kidneys empty into the bladder, they remove various chemicals from the body to keep everything in balance, using water as the vehicle to carry those items out to excretion. You ought to take a basic course in human biology, or at least get a book about the subject and read it.
In news:[email hidden], John E <[email hidden]> stated | Hi Folks, | | Is water that your body releases via the skin , aka sweat, | preprocessed by the kidney? | | If so, then sitting in the sauna and consuming lots of water should | rinse the kidney from ketones (hazardous to kidney). | | If not, does the sauna have any benefits or drawbacks to being | in Ketosis given that you drink sufficient water while in there. | | Thanks, | | J