Which of the following statements is true of the central nervous system (CNS)?
A. In the CNS, neurons having the same functions are generally separated from each other.
B. The primary function of the CNS is to carry motor responses to the various parts of the body.
C. The CNS is subdivided into two parts: the autonomic nervous system and the somatic nervous system.
D. The primary functions of the CNS are to coordinate and control the activity of other body systems.
Answer: D
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