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Yes. The vagus nerve is a parasympathetic nerve that is almost always stimulating the healthy heart to have a heart rate less than the inherent rate of the SA node.

The sympathetic innervation on the heart is minimal and only important during exercise.

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16y ago

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The sympathetic and parasympathetic nervous systems work together to maintain a balanced state called?

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How do sympathetic and parasympathetic nerves work together in the autonomic nervous system?

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Why do people need both the sympathetic and parasympathetic systems to maintain physiological balance and respond effectively to different stressors and relaxation cues?

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