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Multiple Choice
In the context of the digestive system, what substance is stored in the liver and muscles?
A
Insulin
B
Bile
C
Glycogen
D
Glucose
Verified step by step guidance
1
Understand the role of the liver and muscles in the storage of energy. The liver and muscles store energy in the form of a polysaccharide called glycogen.
Recognize that glycogen is a large, branched polymer of glucose molecules. It serves as a form of energy storage in animals and fungi.
Differentiate between glycogen and other substances mentioned: Insulin is a hormone that regulates blood glucose levels, and bile is a digestive fluid produced by the liver to aid in the digestion of fats.
Recall that when the body needs energy, glycogen is broken down into glucose, which is then released into the bloodstream to be used by cells for energy.
Conclude that glycogen is the correct answer as it is the substance stored in the liver and muscles for energy storage, unlike insulin or bile.