You jump involuntarily in response to a sudden loud noise. This is controlled by the:
A) endocrine system.
B) cerebral cortex.
C) parasympathetic division.
D) sympathetic division.

Question

Quizplus · Accepted Answer

The sympathetic division of the autonomic nervous system is responsible for the "fight or flight" response, which includes involuntary reactions to sudden stimuli, such as jumping in response to a loud noise.

You Jump Involuntarily in Response to a Sudden Loud Noise