Item #3 of 10

While at a party you notice the very attractive person you have had your eye on for several weeks. Your breathing rate and pulse begin to race. Next enters your psychology professor who hugs this attractive person, his spouse. Your breathing rate and pulse quickly return to normal. The system directly responsible for this relaxation response is the _____________.

somatic nervous system;
peripheral nervous system;
limbic system;
sympathetic nervous system;
parasympathetic nervous system;

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