Weegy: Metabolism is the chemical reactions in the body's cells that change food into energy.
User: What is a "calorie"?
Weegy: A calorie is a unit of energy.
User: Define "nutrient."
Weegy: A nutrient cycle is a repeated pathway of a particular nutrient or element from the environment through one or more organisms and back to the environment.
User: What is the definition of a "balanced diet"?
Weegy: A balanced diet is a diet that contains adequate amounts of all the necessary nutrients required for healthy growth and activity.
User: Define "hydration."
Weegy: Hydration is the process of replacing water in the body.
User: What is "glycemic index"?
Weegy: The glycemic index, or glycaemic index, ( GI ) provides a measure of how quickly blood sugar levels (i.e. Levels of glucose in the blood) rise after eating a particular type of food.
User: Define "antioxidant."
Weegy: Antioxidant is a substance that inhibits oxidation, especially one used to counteract the deterioration of stored food products.
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