Muscles store ____,the immediate source of glucose for contracting muscles.

Question

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Muscles store glycogen, which is broken down into glucose when energy is needed for muscle contraction. ATP is not stored for long periods in muscles and must be continuously produced during exercise. Fatty acids are not stored in muscles but are used as a fuel source during prolonged exercise. Alanine is not typically used as a fuel source for muscle contraction.

Muscles Store ____,The Immediate Source of Glucose for Contracting Muscles