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GCSE Combined Science · key term
(HT only) A hormone released by the pancreas that raises blood glucose concentration by causing stored glycogen in the liver to be converted into glucose and released into the blood.
Used by AQA and Edexcel
Specification 4.5.3.2 · Paper 2
Revise: Blood Glucose ControlWhen blood glucose concentration becomes too low, the pancreas releases glucagon. Glucagon causes glycogen stored in the liver to be converted back into glucose. That glucose is released into the blood, raising blood glucose concentration.
Paper 1, Paper 2
A hormone released by the pancreas that raises blood glucose concentration by stimulating the liver to break down glycogen and release glucose.
Revise: Homeostasis and Blood GlucoseThe pancreas responds by releasing glucagon.
Glucagon is a hormone; glycogen is the glucose storage substance. They are not interchangeable.
Do not confuse glucagon, the hormone, with glycogen, the storage carbohydrate.
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