What is the role of t cells in the adaptive immune response? view available hint(s) what is the role of t cells in the adaptive immune response? t cells phagocytize bacteria and viruses. t cells produce and secrete antibodies. t cells activate b cells and cytotoxic t lymphocytes to kill infected host cells. t cells directly kill infected host cells?

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.