21. The sympathetic nervous system produces an urge to mobilize. 22. Oberlin concluded that the effects of MDMA were not limited to the sympathetic nervous system . 23. Heck with my sympathetic nervous system and stress hormones. 24. Sympathetic nervous system stimulants such as cocaine and amphetamines have also been associated with diaphoresis.25. Wrisberg studied the sympathetic nervous system and described the Wrisberg ganglion of the cardiac plexus. 26. Petit is remembered for his anatomical studies of the physiological research of the sympathetic nervous system . 27. The transthoracically measured PQRS portion of an electrocardiogram is chiefly influenced by the sympathetic nervous system . 28. :You might find its to do with the sympathetic nervous system and the parasympathetic nervous system. 29. This is mediated by the sympathetic nervous system on the sinus node and called sinus tachycardia. 30. Compensatory hyperhidrois is aberrant sympathetic nervous system functioning.