Cells are restricted to being small in size. why are cells limited in size a the surface area of the cell membrane can only allow a certain amount of molecules into the cell. b the greater the volume of a cell’s cytoplasm the more materials the cell needs for survival. c both of these are true.

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.