Answer: sympathetic divison; parasympathetic divison
Explanation: The sympathetic division is the sympathetic nervous system which is a part of the autonomic nervous system that is responsible for raising blood pressure and heart rate, constricts blood vessels and dilates pupils when under stress.
The parasympathetic division is the parasympathetic nervous system which is part of the autonomic nervous system responsible for the slowing of heart rate and relaxing of muscles.