Cathy is sitting at home alone one night when she hears a window break and her alarm go off. her heart begins to race and she starts breathing quickly. he leg muscles start twitching as she prepares to run into her bedroom, lock the door, and call the police. her body's responses to the noises she has heard are the result of her
a) sympathetic nervous system.
b) parasympathetic nervous system.
c) central nervous system.
d) glucose levels.

sympathetic nervous system.

Explanation:

looking at the response by Cathy once again to the danger signals she decoded that someone has broken into her house to harm her is the work of the nervous system

The nervous system send signal to other parts of the body for actions and responsiveness

We have central nervous system, peripheral , and autonomic nervous system.

In this example, the responses by cathy is as a result of the sympathetic nervous system. it creates signals of dangers and the part of the body takes a flight action.

i think it is c. hope i you!