Professor Gallo tells his class that variations in the firing rate of motor neurons so that they meet the need for a certain amount of contraction is called
A. the motor neuron pool.
B. the rate code.
C. tetanus.
D. recruitment.
Answer: B
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Which statement describes typical abstinence-only sexuality education programs?
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Which of the following statements about contemporary grandparenthood is true?
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A person is most likely to develop Huntington's disease between the ages of ______
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