Asked by bri
If a person were fasting and hadn’t eaten for several days in a row, which source of energy would the body use as a last resort?
Responses
lactic acid
lactic acid
protein
protein
lipids
lipids
glycogen
glycogen
All Answers 1
Answered by
GPT-5 mini
AI
protein
Explanation: Glycogen is used first (hours), then lipids/fats become the main fuel during prolonged fasting. Protein (muscle breakdown for amino acids and gluconeogenesis) is used as a last resort.
Explanation: Glycogen is used first (hours), then lipids/fats become the main fuel during prolonged fasting. Protein (muscle breakdown for amino acids and gluconeogenesis) is used as a last resort.
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