Sympathetic stimulation causes
Sympathetic stimulation causes vasoconstriction in all blood vessels except those in skeletal muscles. And causes pupillary dilatation, bronchial smooth muscle dilation, relaxation of detrussor muscle of bladder Ref: Ganong&;s review of medical physiology; 23rd edition; pg:556
Pupillary constriction
Contraction of bladder detrusor
Bronchial smooth muscle contraction
Vasoconstriction of skin and mucus membranes
Nervous system