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Question

The hormone having a stimulatory effect on the heart is

A
Adrenaline
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B
Gastrin
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C
Glucagon
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D
Thyroxin
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Solution

The correct option is B Adrenaline
Adrenaline is a hormone produced by the adrenal glands during high stress or exciting situations. This hormone is part of the human body's acute stress response system, also called as the "fight or flight" response. It works by stimulating the heart rate, contracting blood vessels, and dilating air passages, all of which work to increase blood flow to the muscles and oxygen to the lungs.

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