When those studying the brain speak of brain circuits, they are referring to
a. clusters of similar neurotransmitter-sensitive neurons.
b. physical brain structures.
c. endocrine pathways.
d. brain stem activity.
Question 2
Balancing the emergency or alarm response to stress and returning the body to a state of normal arousal is a function of the
a. sympathetic nervous system.
b. parasympathetic nervous system.
c. endocrine system.
d. cortex.