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Home Q & A Board Biology-Related Homework Help Anatomy and Physiology
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colleen colleen
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10 years ago
Which of the following statements is NOT correct regarding the motor units and their activation?
A) A motor unit in muscles of gross movement can have thousands of muscle cells.
B) All muscle fibers in a single motor unit are of the same fiber type.
C) A weak contractile stimulus activates fast-twitch motor units.
D) The metabolic capacity of muscle fibers within a motor unit can be altered.
E) At its peak intensity, a contractile stimulus will activate muscle fibers that are easily fatigued.
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padrepadre
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10 years ago
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