In the parasympathetic system, the terminal buttons of preganglionic fibers secrete ________, whereas the postganglionic fibers secrete ________.
A) norepinephrine; acetylcholine
B) glutamate; acetylcholine
C) serotonin; norepinephrine
D) acetylcholine; acetylcholine
E) acetylcholine; norepinephrine
Question 2
The parasympathetic division of the ANS is involved in
A) activities that expend energy.
B) the inhibition of digestive function during a fight.
C) activities that increase levels of stored energy within the body.
D) acceleration of heart rate and increased blood flow to the muscles.
E) the control of the voluntary muscles of the body.