A synapse is a fluid-filled space between two neurons through which neurotransmitters travel. It is in this area where messages are transmitted chemically.
The correct option is B.
A synapse is a small gap at the end of a neuron that permits a signal to travel from one neuron to the next in the central nervous system.
Synapses are the points at which nerve cells communicate with one another.
Thus, the correct option is B, synapse.
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https://brainly.com/question/1205534
