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Adrenaline
Adrenaline, also known as adrenalin or epinephrine, is a hormone, neurotransmitter, and medication. Epinephrine is normally produced by both the adrenal glands and certain neurons. It plays an important role in the fight-or-flight response by increasing blood flow to muscles, output of the heart, pupil dilation response, and blood sugar level. It does this by binding to alpha and beta receptors. It is found in many animals and some single cell organisms. Napoleon Cybulski first isolated epinephrine in 1895.
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Noradrenaline
Some retard changed the page so now you can’t find out on Wikipedia
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Adrenaline (noun)
epinephrine, the hormone and neurotransmitter.
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Noradrenaline (noun)
The compound norepinephrine.
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Adrenaline (noun)
a hormone secreted by the adrenal glands that increases rates of blood circulation, breathing, and carbohydrate metabolism and prepares muscles for exertion
“performing live really gets your adrenaline going”
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Noradrenaline (noun)
a hormone which is released by the adrenal medulla and by the sympathetic nerves and functions as a neurotransmitter. It is also used as a drug to raise blood pressure.