Home » Advanced Zoology » Excretory Products and their Elimination » Question
  1. The basic functional unit of the human kidney is
    1. nephron
    2. nephridia
    3. pyramid
    4. Henle's loop
Correct Option: A

Nephridia are the excretory structures of annelids. Henle's loop is a part of the nephron or uriniferous tubule of the vertebrate kidney.



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