Norepinephrine is a hormone and also a neurotransmitter which is released from the adrenal medulla and with epinephrine it helps in generating the fight and flight response during the stress condition. Norepinephrine is synthesized from dopamine.
Cocaine binds to the structures which are known to regulate dopamine thereby it enhance the activity neurotransmitter norepinephrine which results in producing extreme alertness and exaggerated awareness and prepares our body for the stressful condition.
Compare reef and lion population sizes , amount of fish , peaked at 6 , lionfish started to increase population size at round 11 and 12, reef fish started to decrease as lion fish grew .
