A fall in glomerular filtration rate (GFR) ac | vedclass

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(C) The $GFR$ (Glomerular Filtration Rate) is regulated by the $JGA$ (Juxta-Glomerular Apparatus).When there is a significant fall in $GFR$,the $JG$ c

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juxta-glomerular cells to release renin

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(C) The $GFR$ (Glomerular Filtration Rate) is regulated by the $JGA$ (Juxta-Glomerular Apparatus).When there is a significant fall in $GFR$,the $JG$ cells are activated.These $JG$ cells release an enzyme called renin into the bloodstream.Renin converts angiotensinogen in the blood to angiotensin $I$ and further to angiotensin $II$.Angiotensin $II$ is a powerful vasoconstrictor that increases the glomerular blood pressure and thereby $GFR$ back to normal levels.

$A$ fall in glomerular filtration rate $(GFR)$ activates

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