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Question

Mammalian heart is innervated by a branch of:

A
Trigeminal
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B
Abducens
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C
Spinal accessory
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D
Vagus
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Solution

The correct option is D Vagus
In the mammalian heart, cardiac function is under the control of the sympathetic and parasympathetic nervous system. All regions of the mammalian heart are innervated by parasympathetic (vagal) nerves.
So the correct option is 'Vagus'.

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