Walking alone late one night, you are startled by a moving shadow that you glimpse out of the corner of your eye. the division of the autonomic nervous system is activated. when you realize it is just the neighbor’s pet, the division lessens your physiological arousal.

Walking alone late one night, you are startled by a moving shadow that you glimpse out of the corner of your eye. The sympathetic division of the autonomic nervous system is activated. When you realize it is just the neighbor’s pet, the parasympathetic division lessens your physiological arousal.

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