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Q.

Which of the following atrium receives oxygenated blood from the lungs through the pulmonary vein?

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a

Left atrium

b

Right atrium

c

Right ventricle

d

None of them

answer is A.

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Detailed Solution

  • The mammal heart has four chambers - two atriums and two ventricles.
  • All these chambers are associated with blood vessels that transport blood to and from the heart.
  • The left atrium receives four pulmonary veins, two from each lung, which delivers oxygenated blood to all parts of the blood.
  • Pulmonary veins transport oxygenated blood from the lungs to the left atrium.
  • Only the veins in the lungs carry oxygenated blood to the heart. 
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