You didn't provide any concepts? How our lives are best conceptualized and which aspects encompass them best is a good question to pose and hard to answer at the same time. One might say that there are hardly enough concepts which can thorooughly explain what our lives are about.
In a 2 rescuer Basic Life Support for a child with an unresponsive child with cardiac arrest, activation of the Emergency Response system occurs initially after 2 minutes of CPR as one rescuer should be with the victim and doing the CPR while the other initiates the Emergency Response retrieving the AED. The compression-to-ventilation ratio is 15 is to 2.
Muscle movement's quickest and most potent generator of energy. Anaerobic metabolism is exemplified by the phosphagen system. It generates ATP from creatine phosphate (adenosine triphosphate, the chemical which provides energy for all body processes).