Which vessels carry CO2 rich blood from all parts of the body back to the heart?

  1. Arteries
  2. Veins
  3. Capillaries
  4. Arterioles

Answer (Detailed Solution Below)

Option 2 : Veins
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Detailed Solution

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The correct answer is Veins.

Key Points

  • The blood vessels carrying the blood from the body towards the heart is called vein.
  • Veins carry CO2 rich blood from all parts of the body back to the heart.
  • Veins carry impure blood.
    • The pulmonary vein is the only vein that carries pure blood.
    • The pulmonary vein carries the blood from the lungs to the left auricle.

Additional Information

  • Arteries carry O2 rich blood from the heart to parts of the body.
    • Arteries carry pure blood.
    • The pulmonary artery is the only artery that carries impure blood.
  • The blood vessels that connect arteries and veins are called Capillaries.
  • Arterioles are the branches of arteries.
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