Which of the following processes allows a healthy person, starting with average body fat, to live totally deprived of food for as long as six to eight weeks?

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Ketosis is a metabolic process in which the body uses stored fat for energy instead of carbohydrates from food. During periods of fasting or very low-carbohydrate diets, the liver converts stored fat into molecules called ketones, which can be used for fuel by the body and brain. This process can sustain a healthy person with average body fat for up to six to eight weeks without food, as long as they stay hydrated and have adequate vitamin and mineral intake. Metabolism, acidosis, and thermogenesis are not processes that specifically allow for extended periods of fasting without food.

Which of the Following Processes Allows a Healthy Person, Starting