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If you are startled, and in the "flight or fight" mode, the sympathetic autonomic nervous system is active, which will cut of digestion, increase heartrate, dilate pupils, etc.

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Why do you have to urinate when you get scared or nervous?

nah, the sympathetic part of the autonomic nervous system actually inhibits bladder contraction. the sympathetic response of the autonomic nervous system is in charge of a fright response. It seems contradictory that you pee yourself when scared, I'm looking this up myself


Does a millipede have a nervous system?

Yes when they are scared they curl up into a little ball.


How the nervous system works with other system?

it can effect the respirational system like when you are scared you breathe more or deeper


Can a horse die from being too scared?

yes, a horse can get over stressed and its nervous system can shut down.


What are the signs of a nervous hamster?

If a hamster is scared or nervous it may bite you.


Which body system is responsible for increasing heart rate when you are scared or injured?

Adrenal glands (also known as suprarenal glands)is what you are referring to and it is part of the nervous system. The two glands are located on top of the kidneys and are responsible for our "fight or flight" reaction towards life threatening situations.


What is the opposite word for nervous?

The opposite word for nervous is calm because nervous means that you are slightly scared of something which means that if you are not scared even a little then you are calmed. Therefore, the opposite word for nervous is calm.


What is the word when your scared of being in front of an audience?

nervous, stage fright, scared


When did Jacques Triger die?

Jacques Triger died in 1867.


When was Jacques Triger born?

Jacques Triger was born in 1801.


What is a anther name for frighten?

scared,nervous


What organ system does the brain belong too?

The nervous system The central nervous system

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