Urine is formed from blood . Blood enters the kidneys through the renal arteries, then is filtered through the renal tubules to remove waste and excess water. The kidneys are the organs that help in this process.
Urine formed from blood by a process called filtration – രക്തത്തിൽ നിന്ന് മൂത്രം രൂപപ്പെടുന്നത്