Preparing the body for the "fight-or-flight" response is the role of the
a. sympathetic nervous system
b. parasympathetic nervous system
c. somatic nervous system
d. cerebrum

The correct answer is a. sympathetic nervous system.

Explanation:

The sympathetic nervous system involves the rapid involuntary response called fight and flight response during stress conditions. In a stressful condition, our body parts give signals to the hypothalamus which stimulates the sympathetic nervous system of the body.  

The activated sympathetic nervous system then stimulates the release of a hormone called adrenalin and nor-epinephrine from the adrenal gland. These stress hormone together with neural activity give rise to fight and flight response.  

During this response our mind becomes alter, breathing becomes deep, heart rate becomes high, pupil diabetes, and excess sweating occurs. Therefore the correct answer is a.

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