EXPLANATION
GS17. Which of the following is the largest blood vessel in the human body?
a) Aorta
b) Pulmonary vein
c) Inferior vena cava
d) Coronary artery
ANSWER: a) Aorta.
EXPLANATION:
The answer is a) Aorta.
The aorta is the largest artery in the human body. It is about the size of a garden hose and carries oxygenated blood from the heart to the rest of the body. The aorta branches into smaller arteries that deliver blood to the organs and tissues.
