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Question
If vagus/ parasympathetic nerve to heart is cut, the heart beat will
If vagus/ parasympathetic nerve to heart is cut, the heart beat will
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Solution
The correct option is A Increase
Sympathetic and parasympathetic nervous systems
Sympathetic nervous system and parasympathetic nervous system work opposite to each other.
The parasympathetic neural signals decrease the heart rate whereas the sympathetic neural signals increase the heart rate.
If vagus/ parasympathetic nerve to heart is cut, only sympathetic nervous system will operate. Conduction of signals by the sympathetic system to the heart will increase the heart rate.
Final answer
(B) Increase
Sympathetic and parasympathetic nervous systems
Sympathetic nervous system and parasympathetic nervous system work opposite to each other.
The parasympathetic neural signals decrease the heart rate whereas the sympathetic neural signals increase the heart rate.
If vagus/ parasympathetic nerve to heart is cut, only sympathetic nervous system will operate. Conduction of signals by the sympathetic system to the heart will increase the heart rate.
Final answer
(B) Increase
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