ANF opposes RAAS, Explain. from Biology Excretory Products and their Elimination Class 11 Assam Board
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    Excretory Products and their Elimination
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     ANF opposes RAAS, Explain.

    ANF is released by walls of atria or auricles. ANF (Atrial Natiuretic Factor) is secreted in response to increase of B.P. or blood volume.

    ANF checks the secretion of renin-angitensin mechanism, and thus inhibits reabsorption of NaCl by collecting duct and also stops release of aldosterone. ANF is a vasodilator whereas the Angiotensin II is a vasocontrictor. 

     

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