Railways Sample Paper RRB (Group D) Sample Test Paper-12

  • question_answer
    Heart is devoid of

    A)  Cardiac muscle

    B)         involuntary muscle

    C)  Voluntary muscle

    D)  smooth muscle

    Correct Answer: C

    Solution :

    [c] Cardiac muscle is an involuntary striated muscle tissue found only in the organ heart. Involuntary muscles are smooth muscles that are not directly controllable at will. For example you don't have to remind yourself to make your heart beat, so it is involuntary. Voluntary muscles are controllable like those found in your arms, legs, hands, etc.

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