Why the Heart Does Not Require the Nervous System to Initiate

question 89

Multiple Choice

Why the heart does not require the nervous system to initiate contraction events

• A)because it is parasympathetically innervated via cardiac nerve fibres
• B)because it is parasympathetically innervated by vagus nerve fibres
• C)because it is innervated by the sympathetic division of the autonomic nervous system only
• D)because it is innervated by cortical nerve fibres

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