The physiological reaction to a threat in which the autonomic nervous system mobilizes the organism for attacking or fleeing is known as

This is called the fight or flight response. It is also called Hyperarousal or the acute stress response. This response was first described by Walter Bradford Cannon and it's recognized as the first stage of the general adaptation syndrome that regulates stress responses among various organisms.

B. forsure- fight-flight

on these days , humidity is very f.) high

stewards ice box was the purchase of alaska from russia and it was called that because people thought it was not a good idea to purchase alaska