The synaptic cleft. 
What is #4?
The neurotransmitter which stimulates muscle contraction.
What is Acetylcholine?
#1

What is resting potential?
F
What is the cerebellum?
The portion of the cerebral cortex that is unmyelinated.
A vesicle with neurotransmitters. 
What is #2?
The neurotransmitter associated with mood and happiness.
What is Dopamine?
#2 
What is depolarization?
E
What is the brain stem?
The portion of the cerebral cortex that is myelinated.
What is white matter?
The Axon. 
What is A?
The neurotransmitter associated with sleepiness and mood.
What is Serotonin?
#3

What is repolarization?
C
What is the occipital lobe?
This drug acts as a sedative by inhibiting GABA receptors and blocking glutamate receptors.
What is alcohol?
The receptors.
What are #5?
The neurotransmitters associated with pain reduction and mood.
What are Endorphins?
#4
What is hyperpolarization?
D
What is the temporal lobe?
This drug binds to cannabinoid receptors, shutting off inhibitory responses and releasing an excess of dopamine.
What is marijuana?
The dendrite.

The type of neurotransmitter that increases membrane permeability and increases the chances that threshold will be reached, causing increased nerve action.
Excitory
#5
What is threshold?
B

What is the parietal lobe?
This drug blocks dopamine transmitters, which results in a build-up of dopamine in the synaptic cleft. The nerves are overstimulated as this dopamine is repeatedly binding to receptors.
What is cocaine?