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How does the nervous system and endocrine work together when adrenaline is released?I...

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muzhdah | Student, Grade 9 | (Level 1) Honors

Posted April 19, 2011 at 10:09 AM via web

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How does the nervous system and endocrine work together when adrenaline is released?

I don't quite understand that!..I know endocrine system produces chemicals that control many of the body's daily activites..So please HELP!

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trophyhunter1 | College Teacher | (Level 3) Senior Educator

Posted April 22, 2011 at 9:34 PM (Answer #1)

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In a fight or flight response, there is a coordination of both the nervous and endocrine systems. The nervous system detects stimuli, either inside or out, for example, danger like an oncoming car about to run someone over,  and that in turn sends an impulse to the endocrine system where a response is carried out. The response in this case is the release of adrenaline into the bloodstream, by the endocrine glands called adrenal glands. Once in the bloodstream, this hormone can cause the heart rate to increase, the muscles to become ready to either react to an emergency situation by fighting or by flight.

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