Match the neurotransmitter systems to the description. Each answer is used once. 1- Neurotransmitter system damaged in Parkinson's Disease 2- Also known as serotonin and important for sleep and mood regulation 3- The major excitatory amino acid neurotransmitter in the brain and important for memory formation. 4- The major inhibitory neurotransmitter in the brain. Drugs that agonize this neurotransmitter system (like alcohol) can give a feeling of physical and mental relaxation. 5- Neurotransmitter system involved in the rewarding (reinforcement) effects of addictive drugs. 6- This neurotransmitter is important for attention, concentration, mood regulation, and alertness. 7- This neurotransmitter is important for neuromuscular junction activity and has receptors targeted by nicotine. 8- Peptide hormone that impacts pain sensation, breathing, and euphoria through three types of metabotropic receptors a. Mesostriatal Dopamine b. Norepinephrine c. Glutamate d. Acetylcholine e. Mesolimbocortical Dopamine f. Endorphins g. GABA h. 5-HT