What is the primary fuel source for the body during high-intensity exercise? 🔊
The primary fuel source for the body during high-intensity exercise is glucose. During strenuous physical activity, the body relies on glucose for quick energy because it can be rapidly mobilized and converted into ATP through anaerobic pathways. This process is known as anaerobic glycolysis, allowing for immediate energy production despite the lack of oxygen. While other sources like fats are important during lower-intensity workouts, the quick availability of glucose
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