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NEET Biology Body Fluids and Circulation / शरीर के तरल पदार्थ और परिसंचरण Question Bank Self Evaluation Test - Body Fluids and Circulation

  • question_answer
    Which of the following correctly traces the electrical impulses that trigger each heartbeat?

    A) Ventricles-Pacemaker-AV node-Atria

    B) Pacemaker-AV node-Atria-Ventricles

    C) Atria-Pacemaker-AV node-Ventricles

    D) Pacemaker-Atria-AV node-Ventricles

    Correct Answer: D

    Solution :

    [d] The pacemaker initiates an impulse through the atria, which is then conducted to the ventricles by the AV node.


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