Answer:
The sympathetic nervous system is responsible for preparing the body for defensive action. See the explanation below, please.
Step-by-step explanation:
The sympathetic nervous system, belongs to the parasympathetic, of the autonomic nervous system. Both systems have antagonistic functions. For example the sympathetic dilates the pupils and the parasympathetic, contracts them. In the case of the sympathetic nervous system, it prepares the body for situations of "fight or flight" before external stimuli.