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Q: What dilates in the fight- or-flight response?
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Synonym for the sympathetic division of the autonomic nervous system?

fight or flight response


What is the consensual response when a light is shone in eye?

Your eye dilates


What is released into the bloodstream when one's breathing and heartbeat increases?

When released into bloodstream, epinephrine increases heart rate, constricts blood vessels, dilates air passages and participates in the fight-or-flight response of the sympathetic nervous system. Norephinephrine does the same and increases the brain's oxygen supply.


Which stage in stress response does the fight or flight response occur?

The ALARM response


What is the fight or fight response?

The fight or flight response is an automatic thing that happens to the human body when it is faced with danger at intense levels. You will automatically run away or fight the danger.


What is responsible for the fight or fight response?

The adrenal medulla is responsible for the fight-or-flight response. It releases a hormonal cascade that results in the secretion of epinephrine and nonrepinephrine.


Why is the body's response during the first stage of stress called the fight-or-fight response?

blood pressure increases hormones are released


What is the other name for fight or flight response?

I don't think there is because fight or flight is response action the body makes when in a dangerous situation. Stand and fight or flight RUN.


What is another name for the body's alarm response?

The body's alarm response is sometimes called the "fight or flight response."


What is responsible for the fight or flight response?

The adrenal medulla is responsible for the fight-or-flight response. It releases a hormonal cascade that results in the secretion of epinephrine and nonrepinephrine.


What is the definition of body's response to a given event or situation?

The body's response is called Fight or Flight, meaning you either have the tendency to fight the event, or flee


Who first described the fight or flight response?

Walter Cannon, a harvard physiologist, first investigated the fight or flight response in 1927.