The main goals are to keep your body in balance and keeping a safe level of certain chemicals in your blood.
Explanation:
Keeping your body in balance by removing waste, extra water, and salt to prevent those things from building up in your body. The certain chemicals are: potassium, sodium, and bicarbonate.
When your kidneys are damaged, they are no longer able to remove wastes and excess fluid from your bloodstream efficiently. Wastes such as nitrogen and creatinine build up in the bloodstream.
