title: Largest body part
context: The longest bone in the human body is the femur.[20] The largest artery is the aorta[21] and the largest vein is the inferior vena cava.[22] The largest internal organ is the liver.[23] It is also the heaviest organ, with an average of 1.6 kilograms (3.5 pounds).[24] The largest external organ, which is also the largest organ in general, is the skin.[25] The longest muscle is the sartorius muscle in the thigh.[26] The longest single nerve is the sciatic nerve in the thigh, counting its branches and axons.
question: What is the largest artery in the human body?
answers: aorta