Heart has property of automaticity : The ability to generate impulses without external stimulation.
Parasympathetic vs sympathetic
So which part of the Autonomic nervous system has a predominant action on heart.
Normal heart rate : 60-80
Heart rate when both parasympathetic and sympathetic supply is severed : 100
The parasympathetic tone predominates in order to keep the heart rate reduced at normal rate.
Parasympathetic vs sympathetic
So which part of the Autonomic nervous system has a predominant action on heart.
Normal heart rate : 60-80
Heart rate when both parasympathetic and sympathetic supply is severed : 100
The parasympathetic tone predominates in order to keep the heart rate reduced at normal rate.
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