by "deciding" how much to excrete in the urine and how much to send back into the bloodstream.
I don't know kill your self.
the bladder
Kidneys
Your kidneys do all the work, with some control from the pituitary gland.
the kidneys control mainly the amount of urine that is freely passed into the bladder
The kidneys filter blood and control the level of salts.
I can tell you that high blood pressure, if it is not brought under control, can cause the kidneys to fail completely.
I can tell you that high blood pressure, if it is not brought under control, can cause the kidneys to fail completely.
Kidneys excrete excess water.
kidneys
how much water returns to your body
kidneys
§The kidneys control how much water is reabsorbed; excess water is processed by the kidneys and excreted as urine
Kidneys are naturally different sizes. The right kidney is usually the biggest of the two. Kidneys are a filtering system that helps eliminate waste and control the water levels.