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(A) Cortisone
(B) Serotonin
(C) Adrenaline
(D) Oestrogen
Correct Answer - Option(C)
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Adrenaline is a hormone produced by the adrenal glands during high stress or exciting situations. This powerful hormone is part of the human body's acute stress response system, also called 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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