Assertion: Artificial kidney is a device used to remove nitrogenous waste products from the blood through dialysis.
Reason : Re-absorption does not occur in artificial kidney.

a)Both A and R are true, and R is correct explanation of the assertion.
b)Both A and R are true, but R is not the correct explanation of the assertion.
C) A is true, but R is false.
d)A is false, but R is true.​