Which is the largest blood vessel in human body?

Q. Which is the largest blood vessel in human body?
Answer: Aorta
Notes: Aorta is the largest blood vessel in human body. It is the largest of the systemic circulation arteries. Blood enters the aorta from the left ventricle of the heart by way of a one-way valve to prevent backflow. From the aorta, several arterial branches carry oxygenated blood under pressure to all tissues in the body.

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