In humans, excess blood glucose is stored in the liver and in muscle tissue in the form of glycogen. glycogen is a long chain of glucose molecules bonded together. because of this, glycogen is called a

Polysaccharide

Explanation:

These are large molecules which are formed from the union of many monosaccharides units through condensation. Excess glucose in the body is stored in form of glycogen and can be hydrolyzed when glucose levels go down. Glucagon stimulates liver cells to break down glycogen into glucose.

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