In the postabsorptive state, where do the body's tissues get most of their glucose?

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Quizplus · Accepted Answer

In the postabsorptive state, when the body is not receiving any dietary glucose, the liver releases stored glucose from its glycogen stores through the process of glycogenolysis. This glucose is then transported to the bloodstream and taken up by the body's tissues as an energy source. Muscle glycogen is also broken down into glucose for use by the muscle cells, but this glucose is primarily used within the muscle itself and not released into the bloodstream for use by other tissues. Adipose stores do not provide glucose, but rather fatty acids, as a source of energy. Muscle protein may be broken down in extreme cases of prolonged fasting, but it is not a primary source of glucose for the body's tissues.

In the Postabsorptive State, Where Do the Body's Tissues Get