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GK QUESTION#3769

What is the correct order in which blood flows through the chambers of the human heart?

  1. ARight atrium → Right ventricle → Left ventricle → Left atrium
  2. BRight atrium → Right ventricle → Left atrium → Left ventricleCorrect answer
  3. CRight ventricle → Right atrium → Left ventricle → Left atrium
  4. DLeft ventricle → Left atrium → Right ventricle → Right atrium
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Answer

B. Right atrium → Right ventricle → Left atrium → Left ventricle

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Explanation

The chamber sequence is right atrium, right ventricle, left atrium, left ventricle. Blood passes through the pulmonary circulation between the right ventricle and left atrium; these chambers are not directly joined in that sequence.

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