For example, following hemorrhage water intake increases, while salt and water excretion decrease. These balances are linked. Two very important hormones in water and salt balance are ADH and aldosterone. Continue computing for 20 min more and see how the Volumes change. The kidney misinterprets the stenosis as low blood pressure in the body, and releases more renin etc.
Nephrosis causes protein loss in the urine.
Run over days. Although blood is buffered, changes in pH occur as a result of metabolism or disease. The CO2 is exhaled. CO2 combines with H2O to form carbonic acid. The compensation brings the pH back towards normal.