Your friend is normal, it is just that she is more jumpy than most. What she experiences when feeling nervous or scared is called the "Fight-or-Flight Reaction" Where the body releases hormones such as adrenaline to give you the energy and focus you need to remain safe in what your body has decided is a dangerous situation.
It is called the flight or fight reaction, because the bod prepares you to either stand and fight in a dangerous situation or run away (flight)
It is a behaviour that not just humans have but most animal breeds also, it is from back in prehistoric times where if you didnt get ready to run or stay and fight quickly, you could be killed by a wild animal.
Some of the changes in your body that happen during the flight/fight response are (there are a lot more):
* Blood vessels that provide blood flow to the skin are constricted to reduce blood loss in the case you are injured
*Your body shuts down unnecessary bodily functions to provide you with more energy for the short time while in flight/fight mode
* Pupils dilate so that you can see more clearly
* Your heart rate spikes and blood pressure rises too so that oxygen can get around your body quicker
* Endorphins (The body's natural pain killer) and adrenaline are released
And yes:
* The bladder and bowel feel the urge to be emptied as doing so reduces the need for other internal digestive functions, lessens your weight if you flee and may put off attackers
So while your friend may reach the flight/fight reaction earlier than most, she is still normal.
Read this for more info:
<a href="http://changingminds.org/explanations/brain/fight_flight.htm" rel="nofollow">http://changingminds.org/explanations/brain/fig...</a>
IIN to feel like you have to take a dump or fart when your scared?
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Your friend is normal, it is just that she is more jumpy than most. What she experiences when feeling nervous or scared is called the "Fight-or-Flight Reaction" Where the body releases hormones such as adrenaline to give you the energy and focus you need to remain safe in what your body has decided is a dangerous situation.
It is called the flight or fight reaction, because the bod prepares you to either stand and fight in a dangerous situation or run away (flight)
It is a behaviour that not just humans have but most animal breeds also, it is from back in prehistoric times where if you didnt get ready to run or stay and fight quickly, you could be killed by a wild animal.
Some of the changes in your body that happen during the flight/fight response are (there are a lot more):
* Blood vessels that provide blood flow to the skin are constricted to reduce blood loss in the case you are injured
*Your body shuts down unnecessary bodily functions to provide you with more energy for the short time while in flight/fight mode
* Pupils dilate so that you can see more clearly
* Your heart rate spikes and blood pressure rises too so that oxygen can get around your body quicker
* Endorphins (The body's natural pain killer) and adrenaline are released
And yes:
* The bladder and bowel feel the urge to be emptied as doing so reduces the need for other internal digestive functions, lessens your weight if you flee and may put off attackers
So while your friend may reach the flight/fight reaction earlier than most, she is still normal.
Read this for more info:
<a href="http://changingminds.org/explanations/brain/fight_flight.htm" rel="nofollow">http://changingminds.org/explanations/brain/fig...</a>