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GK QUESTION#3773

Which of the following statements is correct regarding blood vessels in the human circulatory system?

  1. AArteries are the vessels which carry blood away from the heart to various organs of the body.Correct answer
  2. BVeins transport blood from organs directly into arteries.
  3. CCapillaries possess valves to regulate blood flow.
  4. DThe smallest blood vessels are thick-walled and muscular.
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Answer

A. Arteries are the vessels which carry blood away from the heart to various organs of the body.

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Explanation

Arteries carry blood away from the heart. Veins return blood toward it, while capillaries provide thin exchange surfaces. The direction of flow, not oxygen content, defines an artery.

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