The primary function of a central bank is to control the nation's money supply (monetary policy), through active duties such as managing interest rates, setting the reserve requirement, and acting as a lender of last resort to the banking sector during times of bank insolvency or financial crisis.
When crystals are found in the urine it is an indication or a symptom that something is wrong in the urinary system. The urinary system is made up of the kidney, bladder, ureters and urethra. Modification in the diet as well as urine concentration can be a cause of the crystals but there are other causes also.
Normal urine is clear, has normal urine odor and specific gravity between 1.003 and 1.035. Normal urine contains water, urea, sodium chloride, potassium chloride, phosphates, uric acid, organic salts, and urobilin. Ammonium biurate crystals are a common type of urine crystals.