Assertion :Renal cells are involved in stimulating the formation of RBCs. Reason: The juxtaglomerular cells of kidney produce erythropoietin.

Both Assertion and Reason are correct and Reason is the correct explanation for Assertion

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Both Assertion and Reason are correct but Reason is not the correct explanation for Assertion

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Assertion is correct but Reason is incorrect

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Both Assertion and Reason are incorrect

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Solution

The correct option is A Both Assertion and Reason are correct and Reason is the correct explanation for Assertion
The decrease in the number of RBCs, termed erythrocytopenia, causes oxygen shortage in the blood and tissues. The oxygen shortage stimulates the juxtaglomerular cells of the kidney to secrete a hormone, named erythropoietin, into the blood. This hormone, in turn, stimulates the bone marrow to increase the production of RBCs.
So, the correct answer is 'Both Assertion and Reason are correct and Reason is the correct explanation for Assertion'.

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