During a complete physical test, your doctor will order a Complete Blood Count (CBC) test to evaluate Red Blood Cell (RBC) count, White Blood Cell (WBC) count, the platelet count, hemoglobin and mean red cell volume.
The aerobic energy system does not produce lactic acid, but unlike the other two energy systems, it does require oxygen. Just like the lactic anaerobic energy system, the aerobic energy system must directly recruit the active cellular respiration process to provide. energy. Food energy is converted into. by your muscle cells through a very complex series of reactions.
Energy can be considered in two categories - primary and secondary. 1  Primary energy is energy in the form of natural resources, such as wood, coal, oil, natural gas, natural uranium, wind, hydro power, and sunlight. 2  Secondary energy is the more useable forms to which primary energy may be converted, such as electricity and petrol.