While you are running and approaching your first mile, oxidation of free fatty acids is taking place at the cellular level, allowing you to continue running. a) anaerobic metabolism
b) aerobic metabolism
c) lactic acid metabolism

answer

B) aerobic metabolism

(Aerobic metabolism is the way your body creates energy through the combustion of carbohydrates, amino acids, and fats in the presence of oxygen. Combustion means burning, which is why this is called burning sugars, fats, and proteins for energy.)