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什么是"Fight or Flight response"?(有关肾上腺素和去肾上腺素)

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什么是"Fight or Flight response"?(有关肾上腺素和去肾上腺素)
原文如下:
Hormones like epinephrine and norepinephrine are responsible for the body's physical reactions to stress.They temporarily increase heartbeat and blood supply to the active organs in what is known as "the fight or flight response".
"fight or flight response"是什么?
什么是
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The "fight-or-flight response",also called the "fight-or-flight-or-freeze response",the "fright,fight or flight response","hyperarousal" or the "acute stress response",was first described by Walter Cannon in 1929.[1][2][3]
His theory states that animals react to threats with a general discharge of the sympathetic nervous system,priming the animal for fighting or fleeing.This response was later recognized as the first stage of a general adaptation syndrome that regulates stress responses among vertebrates and other organisms.