The largest artery of the body is the:

• A. Carotid
• B. Cerebral
• C. Median
• D. Aorta

Answer: (D)

The largest artery is the aorta. It carries blood directly from the left ventricle into the systemic circulation, and it has the widest diameter among arteries. From the heart, it moves upward as the ascending aorta, arches, and then descends as the thoracic and abdominal aorta, giving off branches to supply every part of the body. Other arteries listed, like the carotid arteries, are important but smaller in size and do not carry the entire output of the heart. The term cerebral refers to arteries serving the brain, not a single large vessel, and median isn’t an artery name. So the aorta stands out as the largest artery by size and by the volume of blood it channels.