G. Stanley Hall
Synaptic Cleft, and transmitters
Exitatory PSP, PSP, and Reuptake
Acetylcholine, Monomamines, Endorphins, GABA
Always have a decrease in heart rate.
Always have a increase of secretion by glands.
Always have the bladder be contracted.
Always have a pupils constricted.
Always have decrease in heart rate.
Magnetic Renosance Imaging
Positron Emission Tomgraphy
One zygote divides into two zygotes.
Two zygotes stay apart from each other.
One zygote does not split or have any other zygote with it.
Two zygotes come together than split apart.
The zygote splits into two, but they are not the same sex.