What fuel source is Jan using if she exercises at 25% of her maximum aerobic capacity?

Name: What fuel source is Jan using if she exercises at 25% of her maximum aerobic capacity?
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Question

Quizplus · Accepted Answer

When exercising at 25% of maximum aerobic capacity, the body primarily utilizes fat as a fuel source. This is because at lower intensities, the body has more time to break down and utilize fat for energy, whereas at higher intensities it relies more on carbohydrates.

What Fuel Source Is Jan Using If She Exercises at 25