Final answer:
Neurotransmitters are the chemicals in the brain that carry messages between neurons.
Step-by-step explanation:
The chemicals in the brain that carry messages between neurons are called neurotransmitters. Neurotransmitters are released from one neuron and bind to receptors on another neuron, allowing for the transmission of signals between the two. Examples of neurotransmitters include serotonin, dopamine, and acetylcholine.
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