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Which of the following best defines foreign exchange?
Sleepwalk
The act of walking or performing other complex behaviors while asleep, also known as somnambulism.
Norepinephrine
A neurotransmitter and hormone involved in arousal and stress response, also known as noradrenaline.
Serotonin
A neurotransmitter associated with mood regulation, digestion, sleep, and other important bodily functions.
Acetylcholine
A neurotransmitter involved in many functions including muscle contraction and memory.
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