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Definition of Adrenaline

Adrenaline: A stress hormone produced within the adrenal gland that quickens the heart beat, strengthens the force of the heart's contraction, and opens up the bronchioles in the lungs, among other effects. The secretion of adrenaline is part of the human 'fight or flight' response to fear, panic, or perceived threat. Also known as epinephrine.

QUESTION

Negative emotions are more powerful than positive emotions. See Answer
Reviewed on 12/4/2018
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