Ordinarily, the brain and nerves rely on ____ for energy.

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Quizplus · Accepted Answer

The brain and nerves rely on glucose for energy. Glucose is a simple sugar that is broken down from carbohydrates that we consume in our diet. It is the primary fuel source for the brain and nervous system. Glycogen is a stored form of glucose in the liver and muscles, but it is not directly used by the brain and nerves for energy. Fat and ketones can be used for energy by other parts of the body, but the brain and nerves rely mainly on glucose. Maltose is a disaccharide that must be broken down into glucose before it can be used for energy.

Ordinarily, the Brain and Nerves Rely on ____ for Energy