Why would smooth muscle associated with lung bronchioles dilate while smooth muscle associated with arterial walls constricts when stimulated by norepinephrine neurotransmitter? a) different receptor types b) different target organs c) different body systems d) different smooth muscle.

Cpr, or cardiopulmonary resuscitation, is a first-aid technique to save lives. it involves compressions of the patient's chest cavity. which description is the best description of the functions of chest compressions in cpr? chest compressions are done to pump the heart. chest compressions are done to strengthen the rib bones. chest compressions increase carbon dioxide inhalation. chest compressions allow the patient's muscles to wake up.