Respuesta :
Sympathetic nervous system increases the rate of Heart beat.
explain about sympathetic nervous system ?
The parasympathetic nervous system and the enteric nervous system are the other two components of the autonomic nervous system, together with the sympathetic nervous system (SANS or SYNS). Sometimes the enteric nervous system is seen as a component of the autonomic nervous system, while other times it is regarded as a separate system.
Heart rate is regulated by two areas in the brain's medulla: the cardiac accelerator centre and cardiac inhibitory centre. Sensory nerves enter the SA node coming from the accelerator centre. The sympathetic nervous system's stimulation of these nerves results in an increase in heart rate.
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