Antonella is on vacation with some friends in Montana. One day, she is out hiking in the woods when she hears a sound in the distance. She turns around and sees a grizzly bear coming out of the bushes. She freezes and becomes fearful of what the bear will do.

Which system prepares the body for the situation described in the scenario?

the somatic nervous system
the parasympathetic nervous system
the central nervous system
the sympathetic nervous system