Answer:
The SNS plays a key role in mediating the neural response to stress known as the fight-or-flight response. This response is also referred to as the sympatho-adrenal response of the body owing to the fact that the preganglionic sympathetic fibers that end in the adrenal medulla secrete acetylcholine, which activates the release of adrenaline and noradrenaline from the medulla.
This response acts primarily on the cardiovascular system and is mediated directly via impulses transmitted through the sympathetic nervous system and indirectly via catecholamines, such as the adrenaline secreted from the adrenal medulla.
Explanation:
