* a) Parasympathetic stimulation increases blood flow to active skeletal muscle.

* b) Vasodilatation occurs in all organs.

* c) Sympathetic stimulation vasoconstricts the coronary circulation

* d) Sympathetic nerve fibers supplying the viscera are inhibited.

* e) The duration of ventricular diastole is shortened considerably, compared to the duration of systole.

Answer - e