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Which of the following is released by JG cells when GFR falls its normal levels?

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in Biology – Class 11 by (272k points)
Which of the following is released by JG cells when GFR falls its normal levels?

(a) Renin

(b) Rennin

(c) Lipase

(d) ADH

I got this question during a job interview.

My question comes from Mechanism of Concentration of the Filtrate topic in section Excretory Products and Elimination of Biology – Class 11

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The correct answer is (a) Renin

To elaborate: A fall in the GFR can activate the JG cells to produce renin which converts angiotensinogen in the blood to angiotensin I and further to angiotensin II which is a powerful vasoconstrictor itself and increases the GFR.

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