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Wordabulary

glycogen

Pronunciation
Noun B2 Upper-intermediate

Quick answer

A stored form of glucose that the body keeps in the liver and muscles for later use as energy.

"When blood sugar drops, the liver breaks glycogen back down into glucose."

Usage notes

Glycogen in animals plays roughly the same storage role that starch plays in plants.

Test yourself

Which word fits the gap? "When blood sugar drops, the liver breaks _____ back down into glucose."

Answer: glycogen

In your own words, what does "glycogen" mean?

A stored form of glucose that the body keeps in the liver and muscles for later use as energy.

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