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Describe the structure
and functioning of nephron in the human body.
(Ans) Nephrons are the filtration
units of kidney. Each kidney has a large no. of nephrons. The process starts
with filteration of urine.
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Cup-shaped
structure associated with capillaries is called Bowmans capsule. This
collects filtered urine. As this urine flows through the tubular part of
nephron, reabsorption of glucose, amino acids, salts and water take place.
The amount of water and other substances reabsorbed depends upon how in
excess they are present in the body.The urine formed enters into a long tube
called ureter through the collecting ducts of kidney. Then urine is collected
in urinary bladder.
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