Multiple choice

Which of the following shows the difference between veins and an arteries?

  1. Veins have narrower lumen.

  2. Veins have strong muscular wall.

  3. Veins have valves to control backflow of blood.

  4. Veins have non-collapsible walls.

  5. Direction of blood flow is from heart towards the various organs of the body through veins.
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Arteries have no internal valve whereas veins have internal semilunar valves to prevent backflow of blood.

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