A. Subclavian artery
B. Aorta
C. Brachial artery
D. None of these

The aorta is the largest artery of the body and carries blood from the heart to the circulatory system. It has several sections: The Aortic Root, the transition point where blood first exits the heart, functions as the water main of the body.

The correct answer to the question: "The largest artery in human body_______?" is "Aorta".