As her car spun out of control on an icy road, mia's muscles tensed and her blood pressure, heartbeat, and pulse increased dramatically. this rapidly occurring chain of internal physical reactions is called the:

For the answer to the question above, this is called "Fight-or-Flight Response.

This is a physiological reaction that occurs in response to a perceived harmful event, attack, or threat to survival. Also called as hyperarousal or the acute stress response