Question

What happen to useful substances which enters the nephron along with the waste?

Answer 1

Each human kidney is made up of about ten lakh excretory units called nephrons. A nephron is a long, narrow and twisted tubular structure. The upper end of the nephron is a cup shaped bag and it is called Bowman’s capsule. The lower end of the nephron is tube shaped and is called tubule. The Bowman’s capsule possesses a bundle of blood capillaries called glomerulus. The blood capillaries bring the dirty blood containing urea and excess water from renal artery.


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