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Question

Oxygenated blood from lungs is carried to heart by.

A
Pulmonary artery
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B
Pulmonary vein
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C
Coronary vein
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D
Pre-cavals
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Solution

The correct option is B Pulmonary vein
  • Blood enters the right atrium and passes through the right ventricle.
  • The right ventricle pumps the blood to the lungs where it becomes oxygenated.
  • The oxygenated blood is brought back to the heart by the pulmonary veins which enter the left atrium.
  • From the left atrium blood flows into the left ventricle. The left ventricle pumps the blood to the aorta which will distribute the oxygenated blood to all parts of the body.
Thus, Option B is correct.

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