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NEET Biology Locomotion and Movement Question Bank Self Evaluation Test - Locomotion and Movement

  • question_answer
    A stronger muscle contraction occurs when the brain _______.

    A) Send signals to larger number of motor units to contract.

    B) Activates muscle cells more quickly.

    C) Activates the motor units of the muscle one at a time.

    D) Sends nerve impulses to the muscle one at a time instead of in bursts.

    Correct Answer: A

    Solution :

    [a] The strength of a contraction for a given muscle is proportional to the number of motor units activated.


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