Answer:-
✯ Synapse is the gap between neurons that ensures that information travels in one direction only.
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Therefore, the 2nd statement [B] is correct.
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Additional Information:-
A Synapse is a small gap at the end of a neuron that allows a signal to pass from one neuron to the next. Synapses are found where nerve cells connect with other nerve cells. Synapses are the key to the brain's function.
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The term synapse was first introduced in 1897 by Michael Foster in his "Textbook of Physiology" and derived from the Greek synapsis, meaning "conjunction."