Practice MCAT Question - Q103 - Answer!
A collection of neurons traveling together in the spinal cord or brain is called a tract. What kind of neurons would be found in a tract?
A. Sensory neurons
B. Motor neurons
C. Interneurons
D. All of the above
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The correct answer is (C). Since a tract is inside the brain or spinal cord (CNS), it can only contain interneurons. Collections of sensory and motor neurons are found in the peripheral nervous system and are called nerves.
