Anaerobic respiration in humans occurs primarily in muscle cells during high-intensity exercise. This might occur if you're pushing your limits during an aerobic activity, like spinning or a cardio workout, and the oxygen supply to your muscles is insufficient to maintain aerobic-only respiration.
Anaerobic respiration in humans occurs primarily in muscle cells during high-intensity exercise. This might occur if you're pushing your limits during an aerobic activity, like spinning or a cardio workout, and the oxygen supply to your muscles is insufficient to maintain aerobic-only respiration.