Question

Assertion :The regulation of RBC production is
accompanied by the kidneys. Reason: Erythropoietin hormone criculates to the
red bone marrow. , Where it increase ,stem
cell mitosis and speeds up the development
of RBCs .

• A. If both the assertion and the reson are true and the reason
  is correct explanation of the assertion.
• B. If both the assertion and the reson are true but the reason
  is not correct explanation of the assertion.
• C. If the assertion is true but the reason is false
• D. If both the assertion and reason are false

Answer 1

The correct option is A If both the assertion and the reson are true and the reason

is correct explanation of the assertion.
The regulation of RBC production is accompanied by the hormone erythropoietin which is secreted by the juxtaglomeruar cells of kidney .This horomone circulates to the red bone marrow , where it increases stem cell
mitosis and speeds the developments of RBC.