When o3 irritates the cells lining the airways of the lungs, which effect does it produce? . (points : 1) .

a. inflammation of the airways, which raises blood pressure. b. widening of the airways, which makes breathing difficult. c. inflammation of the airways, which makes breathing easier. d. inflammation of the airways, which makes breathing difficult.

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.