Fight or Flight Response

By : Julissa Tejada

What is the fight or flight response

Our automatic in born response that prepares are body to

" FIGHT " or " FLEE" from a harmful situation or threat to survival



An environmental signal travels into the brain. In response, the amygdala, a structure in the brain, fires off a nerve impulse to the hypothalamus. The hypothalamus sends a chemical signal to another part of the brain called the adrenal gland.
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Adrenal Gland

The adrenal gland releases hormones, such as adrenaline that papares us for a physical reactions .
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Increased heart rate

Accelerated breathing

Loss of peripheral vision

These physical changes occur rapidly if you were experiencing a life-threatening event these changes are believed to be triggered by the sympathetic nervous system through the release of stress hormones into the blood stream which causes immediate physical reactions that papares the muscular activity needed to fight or flee the threat.