Class 11 Biology Excretory Products Elimination Human Excretory system

Human Excretory system

Human excretory system consists of:

  • A pair of kidneys
    • Located in the back of abdomen
    • 2 kidneys present, one on either side of the backbone
    • Bean-shaped
    • Notch on the inner concave side called ‘Hilum
  • A pair of ureters
    • Slender tubes arising from Hilum of Kidney
    • Opens into urinary bladder
  • Urinary bladder
    • Pear shaped
    • Muscular reservoir of urine
    • Opens into Urethra
  • Urethra
    • Opens to outside through urethral aperture
    • Longer in males than in females


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