. . "104265233"@en-us . . . "105505131"^^ . . . . "originates in the thoracic regions of the spinal cord; opposes physiological effects of the parasympathetic: reduces digestive secretions; speeds the heart; contracts blood vessels"@en-us . . . "0"^^ . "sympathetic nervous system"@en-us . "sympathetic nervous system"^^ . . "105189355"@en-us . "05505131-n"^^ . "0"^^ . . .