The back-and-forth began Friday when, in a fund-raising email to supporters, Obama campaign manager Jim Messina accused the billionaire brothers of jacking up prices at the pump and bankrolling Tea Party extremism..
Major difference is this. 1  Norepinephrine acts on alpha-1, alpha-2, and beta-1 recpetors...works to raise the heart rate and modulate blood pressure. 2  Epinephrine acts on alpha-1, alpha-2, beta-1, AND beta-2..effective anti-histamine and treatment for shock.
Their function is to control the physiological activities within the body, maintaining its prop â¦ er operation. In humans, glands (such as the endocrine glands) secrete hormones to regulate cellular activities, and control the health and operation of various organs in the body.ecause it is a powerful heart stimulant,  it is used in emergency medicine to restore heart rhythm in cases  of shock and in certain cases of cardiac arrest (heart attack). The  most common use of epinephrine in medicine is to relieve breathing  distress in patients with asthma, bronchitis, and emphysema.