Multiple choice

Why are arteries thicker than veins?

  1. Because oxygenated blood is heavier than deoxygenated blood

  2. Because they contain more volume of blood

  3. Because they receive blood at high pressure

  4. Because there are no valves in arteries
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Arteries are thicker than veins because they receive blood at very high pressure from the heart and supply it to the whole body.

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