Zayed was walking down a dark street when he heard a car backfire.His heart started to race,and he began to perspire in response to this sudden,startling noise.Which division of the nervous system is responsible for his reactions

A)  sympathetic nervous system 
B)  parasympathetic nervous system 
C)  central nervous system 
D)  somatic nervous system

Sympathetic Nervous System

A part of the autonomic nervous system that activates the body's fight-or-flight response during perceived threats.

Parasympathetic Nervous System

Part of the autonomic nervous system responsible for conserving energy and promoting a state of calm and rest in the body.

Central Nervous System

The part of the nervous system consisting of the brain and spinal cord, responsible for processing and sending out neural signals.