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A member asked:
What exactly is adrenaline?
A doctor has provided 1 answer
See below: Epinephrine (also known as adrenaline or adrenalin) is a hormone and a neurotransmitter. Epinephrine has many functions in the body, regulating heart rate, blood vessel and air passage diameters, and metabolic shifts; Epinephrine release is a crucial component of the fight-or-flight response of the sympathetic nervous system.
Answered 6/25/2014
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