Question:

The functional unit of mammalian kidney is :

Updated On: Jun 15, 2022
  • ureter
  • urinary bladder
  • urethra
  • nephron
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The Correct Option is D

Solution and Explanation

The mammalian kidney is a compact mass of ten to twelve lacs (in man) of extremly fine and coiled tube like excretory tubules called uriniferous tubles or nephrons.
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Concepts Used:

Excretory products and their elimination

The physiological process of the elimination of metabolic waste from the body is called excretion. The excretory products comprise amino acids, carbon dioxide, urea, uric acid, water, and ammonia. Some of the Molluscs and Echinoderms excrete waste products from the body in the form of amino acids. Ammonia is the foremost excretory product in animals, it is derived from the proteins exists in the food we eat.

Excretory Products in Different Organisms:

Excretory Products in Different Organisms

Read More: Excretion in Human Beings