Problem
Chapter 14 - Research Assignment.
Autonomic Nervous System.
Main Activities of the Sympathetic versus the Parasympathetic Nervous System: A Comparison.
Task
The task consists in finding the activity of the Sympathetic nervous system,over vasoconstriction andvasodilation, of the blood vessels of most of he viscera, in comparison with the parasympathetic nervous system, and the antagonisticeffects of the sympathetic and the parasympathetic systemsover the iris of the eye, in relation to dilation and constriction of the pupil.