Assertion : Histamine is related with allergic and inflamatory reactions
Reason : Histamine is a vasodilator
A. Both Assertion and Reason are true and Reason is a correct explanation of the Assertion
B. Bolh Assertion and Reason are true, but Reason is not the correct explanation of Assertion
C. Assertion is true, but Reason is false
D. Assertion is false, but Reason is true