The sympathetic nervous system—a web of nerves and neurons running through the spinal cord and spread to virtually every organ in the body—is responsible for arousal and excitement.

相对应的交感神经系统，一张贯穿脊椎的由神经和神经元组成的网会将信息传递到身体的每个器官，它是形成觉醒与兴奋的原因。

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One important reason of heart failure deterioration is the sustained excitement of sympathetic nervous system which is a compensatory mechanism in heart failure.

心力衰竭时起代偿作用的交感神经系统的持续兴奋是导致心力衰竭恶化的一个重要原因。

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