Question

which is the largest aretery in the body ?why is it big in size​

Answer 1

Answer:

That would be the Aorta, the blood vessel taking oxygenated blood from the heart to circulate around the body, normal size would be around 2–3 cm.

It is the size it is because it has to deal with high volume and pressure of blood with each heartbeat, smaller vessels branch off the aorta to supply blood to organs around the body.

Answer 2

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The aorta is the largest artery because it connects directly to the heart and is the starting point for blood transport to the entire body.

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