EXERCISE ZONES AGE 20 25 30 35 40 45 50 55 65 70 100% VO2 Max (Maximum effort) D0% 721 140 135 Anaerobic (Hardcore training) 168 156 152 148 144 140 136 132 124 120 Aerobic (Cardio training /...

On the diagram below, the fat burning zone is at a fairly low exercise intensity. Describe why the body would burn more fat in the "fat burning zone" compared to "hardcore training" or "maximum effort".

Extracted text: EXERCISE ZONES AGE 20 25 30 35 40 45 50 55 65 70 100% VO2 Max (Maximum effort) D0% 721 140 135 Anaerobic (Hardcore training) 168 156 152 148 144 140 136 132 124 120 Aerobic (Cardio training / Endurance) 70% 148 137 133 130 126 123 113 116 109 105 Weight control (Fitness / Fat burn) 017 114 111 108 105 102 99 93 90 Moderate activity (Maintenance / Warm up) 100 93 90 85 83 78 75 BEATS PER MINUTE