there is no reaction. the two systems wouldn't affect each other when your body goes into a flight or fight mode it releases hormones adn those hormones do many things but would have any direct affect on the urinary system.
The sympathetic nervous system originates in the spinal cord and its main function is to activate the physiological changes that occur during the fight-or-flight response.
Nervous system
sympathetic nervous system.
Parasympathetic nervous system (flight or fight response)
The fight-or-flight response is influenced and enhanced by the adrenal system. When an animal senses danger, on-rushing epinephrine springs them into action.
respiratory system /\ The sympathetic division of the autonomic nervous system. The sympathetic nervous system accelerates functions such as heart rate and breathing.
sympathetic component.
The sympathetic nervous system is responsible for the fight of flight response. The the adrenal glands release epinephrine in the fight or flight response, and norepinephrine after the threat ceases.
The parasympathetic nervous system does not stimulate the fight or flight response.
The fight or flight response is initiated by the sympathetic nervous system.
The respiratory system
Response to acute pain is made by the sympathetic nervous system (the nerves responsible for the fight-or-flight response of the body).