Match each neurotransmitter with its action. Acetylcholine Involved in sleepiness, alertness, thermoregulation and mood GABA Involved in the elevation of mood and the control of skeletal muscles Most common inhibitory neurotransmitter in the brain Norepinephrine Involved in dreaming, waking, and mood. It also excites cardiac muscle Dopamine Excites skeletal muscle and inhibits cardiac muscle Serotonin
