Question:

ADH acts on the

Updated On: Jul 27, 2022
  • collecting tubule of kidney
  • loop of Henle
  • collecting ducts of testes
  • none of the above
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The Correct Option is A

Solution and Explanation

ADH acts on chief cells in collecting tubules, increasing permeability of the tubules to water and urea. ADH acts via adenylate cyclase which opens channels in the tubules called aquapores, facilitating water absorption. ADH is screted by hypothalamus in response to osmotic (mainly determined by sodium) and non-osmotic (volume depletion, nausea, fear, anxiety, pain, exercise and drugs) stimuli.
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Notes on excretory products and their elimination

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.

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