Memory Game Cellular RespirationOnline version Vocabulary by Guy Clark Lactic Acid The breakdown of glucose Kreb's Cycle Created when your lungs can't keep up with how fast your body is working needs oxygen Ethyl Alcohol Oxygen debt Citric Acid Cycle cellular respiration does not require oxygen Muscle soreness and fatigue Produced during anaerobic respiration in animals Created during anaerobic respiration in plants Aerobic Result of lactic acid build-up in the muscles anaerobic