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Question

Sympathetic nerve accelerates heart beat due to

A
Adrenaline
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B
nor - adrenaline
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C
Insulin
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D
Glucagon
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Solution

The correct option is A Adrenaline
Sympathetic nerve accelerates heart beat due to adrenaline. Adrenaline or epinephrine is a hormone secreted by the medulla of the adrenal gland. It prepares the body for emergency action. It increases strength and rate of heart beat.

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