It speeds up your heart rate to help you deal with danger.
sympathetic nervous system.
The sympathetic and parasympathetic nervous systems are subdivisions of the autonomic nervous system.
sympathetic division of the autonomic nervous system
epinephrine and norepinephrine stimulate the sympathetic nervous system
sympathetic nervous system.
epinephrine and norepinephrine stimulate the sympathetic nervous system
epinephrine and norepinephrine stimulate the sympathetic nervous system
The Sympathetic Nervous System and the Parasympathetic Nervous System
The autonomic nervous system is divided into the sympathetic and parasympathetic systems.
The Sympathetic Nervous System
sympathetic nervous system
With current technology it is not yet possible to simulate a sympathetic nervous system