Largest artery
- Who
- Unknown
- What
- 1.75 - 3 centimetre(s)
- When
- 01 January 0001
The aorta is 3 cm (1.18 in) in diameter where it leaves the heart and by the time it ends at the level of the fourth lumbar vertebra, it is about 1.75cm (0.68 in) in diameter.