Multiple choice

Which of the following carries blood from the body organs back to heart?

  1. Artery

  2. Capillaries

  3. Veins

  4. None of these
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Veins are blood vessels that return blood from the body's tissues back to the heart. They have thinner walls than arteries and contain valves to prevent backflow. Capillaries are tiny vessels where exchange of materials occurs, not the main transport vessels back to heart.

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