In the context of neural communication, which of the following statements defines the nodes of Ranvier?

A. They are small structures inside the cerebrum that play an important role in the perception of bodily sensations.
B. They are the nerve fibers that connect the two hemispheres of the brain.
C. They are the central nervous system cells that provide structural support.
D. They are the gaps in the myelin sheath across which an action potential jumps.


Answer: D

Psychology

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