explain the mechanism of urine fomation
Asked by ankitmadan | 5th Jun, 2008, 07:32: PM
Urine formation takes place in 3 steps:
i) Glomerular filtration - Filtration of blood under pressure
ii) Selective Reabsorption - Useful substances from filtrate are reabsorbed by renal tubular cells and returned to blood.
iii) Tubular secretion - Separation of unwanted substances from blood and actively secreting them into the renal filtrate.
Answered by | 6th Jun, 2008, 08:29: PM
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