RAJASTHAN PMT Rajasthan - PMT Solved Paper-2011

  • question_answer
    Mammals heart is

    A)  myogenic                          

    B)  neurogenic

    C)  voluntary           

    D)         sympathetic

    Correct Answer: A

    Solution :

    Myogenic heart has contraction initiated by a special node of modified heart muscles called Sino-Atrial node (SA node), eg, the heart of vertebrates, tunicates and molluscs.


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