<P> Epinephrine , also known as adrenalin or adrenaline , 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 , and blood sugar . 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 . </P>
<P> Epinephrine , also known as adrenalin or adrenaline , 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 , and blood sugar . 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 . </P>
epinephrine is a member of which group of hormones
epinephrine is a member of which group of hormones
adrenal glands certain neurons
adrenal glands certain neurons