Multiple choice

The largest blood vessel in the human body is _____.

  1. superior vencava

  2. pulmonary arteries

  3. coronary arteries

  4. aorta

Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

The aorta is the largest artery in the human body, originating from the left ventricle and distributing oxygenated blood to all parts of the body. It has a diameter of about 2.5-3.5 cm. The superior vena cava is a large vein, pulmonary arteries carry deoxygenated blood, and coronary arteries supply the heart muscle itself.

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