D. Glycogen

Explanation:

Glycogen is a multibranched polysaccharide of glucose that serves as a form of energy storage in animals, fungi, and bacteria. The polysaccharide structure represents the main storage form of glucose in the body.

Answer:

what is the stored form of glucose in animals and humans which is synthesize and stored mainly in the liver and muscles?

A. water

B. starch

C. cellulose

D. glycogen