Final answer:
Neurotransmitters are released at the end of the axon in response to an electrical impulse, facilitating communication between neurons.
Explanation:
When an electrical impulse reaches the end of the axon, it signals the terminal buttons to release neurotransmitters into the synapse. Neurotransmitters are chemicals that relay signals between neurons, traveling across the synaptic space to bind to the dendrites of neighboring neurons. The receptor sites and neurotransmitters act like a lock and key, enabling communication between neurons.
Learn more about Neuron Communication here:
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