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Q51: Somatic motor neurons release the neurotransmitter _
Q52: Longer,stronger muscles have motor units with very
Q53: The thick filament is also called the<br>A)A
Q55: Which of the following does NOT occur
Q56: A force-velocity curve shows the _ relationship
Q57: ATP in muscle contraction is needed for<br>A)attachment
Q58: Flexors increase the angle at a joint.
Q59: Which of the following is NOT true