While you are driving on the interstate, a tractor trailer suddenly moves into your lane and almost hits you. You have to slam on your brakes to avoid a wreck. Afterwards, your heart is racing and your muscles are tense. Which component of the nervous system is responsible for your reaction?

Question

Quizplus · Accepted Answer

The sympathetic division of the autonomic nervous system is responsible for the "fight or flight" response, which increases heart rate and muscle tension in response to stress or danger.

While You Are Driving on the Interstate, a Tractor Trailer