gaba is a neurotransmittor

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Illustration of the major elements in a prototypical synapse. Synapses allow nerve cells to communicate with one another through axons and dendrites, converting electrical impulses into chemical signals.

Chemical synapses are specialized junctions through which neurons signal

where one nerve ends and another begins is a bulb like structure called a synapse. in that synapse are different kinds of neurotransmittor receptors. One of them is GABA others,are acetylcholine receptors, nicotine receptors. THey are named according to the chemical that attaches to them. They are everywhere through out the body.