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BotanyNEET 2025Frog: morphology and anatomy

Structural Organisation in Animals

What is the name of the blood vessel that carries deoxygenated blood from the body to the heart in a frog?

  1. A.Aorta
  2. B.Pulmonary artery
  3. C.Pulmonary vein
  4. D.Vena cava✓

Solution

The vena cavae (pre-caval and post-caval) bring deoxygenated blood from the body to the sinus venosus and right atrium. Pulmonary veins return oxygenated blood from the lungs; the aorta carries blood away from the heart.

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