How is urine produced ? How is it regulated ? (Class 10th Answer)
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The formation of urine involves three process:-
1. Ultrafiltration:
glomerulus is a bunch of thin walled capillaries.
the blood flows under high pressure due to difference in diameter of incoming and outgoing vessel. Bowman capsule is a Cup shaped structure which collects the filtrate from the glomerulus.
2. Reabsorption:
tubules collect the filtrate and reabsorption begins amino acid glucose, salt are reabsorbed in the initial part of the tubule.
in the middle tubule the water is reabsorbed.
3. Secretion:
Then fluid moves to the last part of the tubule rich in nitrogenous waste. then the collection of urine in the collecting duct which passes on to Kidneys pelvis.
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