A : Left ventricle pumps blood at a much higher pressure to all body parts involved in systemic circulation.
R : The muscular wall of the left ventricle is two to four times as thick as the wall of right ventricle.
A. If both Assertion & Reason are true and the reason is the correct explanation of the assertion, then mark (1).
B. If both Assertion & Reason are true but the reason is not the correct explanation of the assertion, then mark (2).
C. If Assertion is true statement but Reason is false, then mark (3).
D. If both Assertion and Reason are false statements, then mark (4).