Examlex
Which of the following is not a stage of cluster sampling?
Neurotransmitter
Chemical substances that transmit signals across a synapse from one neuron to another in the nervous system.
Dopamine
A neurotransmitter that is especially important in mediating the reward associated with taking psychoactive drugs.
Brain Function
The activities and processes that occur in the brain, enabling thought, behavior, movement, and emotion.
Illegal Drug
Any substance that is prohibited by law from being manufactured, possessed, or used due to its potential for abuse or addiction.
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