Assertion(A): The deficiency of haemoglobin in blood leads to anaemia.​
Reason(R): The various body tissues fail to get sufficient carbon dioxide.

A) Assertion is true but Reason is false
B) Both Assertion and Reason are false
C) Both Assertion and Reason are true and Reason is the correct explanation of Assertion
D) Both Assertion and Reason are true but Reason is not the correct explanation of Assertion