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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
    The pacemaker of the human heart is:

    A) SA node        

    B)                    Tricuspid valve

    C) AV node                                   

    D) All of these

    Correct Answer: A

    Solution :

    [a] Not Available


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