Sensory and motor nerves differ in that:
a. only sensory neurons have dendrites.
b. only motor neurons have axons.
c. sensory neurons carry messages away from the brain, and motor neurons carry information toward the brain.
d. sensory neurons carry messages toward the central nervous system and motor neurons carry information away from the central nervous system.
Answer: D
Rationale: Sensory neurons gather information from the bodily senses, such as touch or pain, and bring the messages toward the spinal cord and brain. In contrast, motor neurons carry messages away from the brain and spinal cord and toward muscles in order to control their flexion and extension.
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