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Name one nitrogenous waste present in ur...

Name one nitrogenous waste present in urine. What is the basic filtration unit of kidney called ? How is the amount of urine produced regulated ?

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Nitrogenous waste present in urine is uric acid or Urea.
The basic filtration unit of kidney is nephron.
Urine production is regulated by -
(i) amount of excess water in the body
(ii) amount of dissolved wastes that need to be excreted.
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