Describe the structure and functioning of nephrons


Answer

  • Each kidney is made up of a large number of excretory units called nephrons

 

  • Nephrons have a cup shaped bowman's capsule at the upper end. The lower end of the nephron is a tubule.

            Thus, 

 

Nephron = Bowman's capsule + Tubule

 

  • One end of the tubule is connected to the bowman’s capsule and the other to the urine collecting duct of the kidney.
  • Bowman's capsule has a number of small blood capillaries called glomerulus .
  • The glomerulus comes from the renal artery bringing blood containing waste and the other connects to the renal vein through the nephron tubule
  • The renal vein carries clean blood .

 

Therefore, each nephron plays a role in cleaning waste from the blood.

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CA Maninder Singh is a Chartered Accountant for the past 14 years and a teacher from the past 18 years. He teaches Science, Economics, Accounting and English at Teachoo