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Which of the following has the thickest wall?

Correct answer: C. Left ventricle

  • A. Right ventricle
  • B. Right atrium
  • C. Left ventricle
  • D. Left atrium

Explanation

The walls of the left ventricle are the thickest, followed by the walls of the right ventricle, the walls of the left atrium, and the walls of the right atrium. This is because the left ventricle has to pump blood to the entire body, while the right ventricle only has to pump blood to the lungs.

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