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Question : Describe thestructureandfunctioningof nephrons.

Answer»

Solution :Nephron is a structural and functional unit of KIDNEY. A nephron has two parts - malphigian bodyand renal TUBULE .
Malphigian BODY - or renal corpuscle comprises of Bowman.s capsule (a cup SHAPED structure) and glomerulus (abunch of fine blood vessels in Bowman.s capsule).
Glomerulus develops from an afferent arteriole whichgivesrise to efferentarteriole.
Renal tubule - Comprises of convoluted tubules whichopensinto a collecting tubule. Collecting tubules of differentnephronsjoins to forma collecting duct.
Nephrons filter the blood in order in remove nitrogenousmetabolicwaste. Theyalso absorb some useful substances such as GLUCOSE, amino acids, minerals and major amount of water from the filtrate.


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