Biology for IGCSE & O level - Coordination And Response (Section 2 - No. 19)
What is the role of glucagon in blood glucose regulation?
It allows glucose to enter cells, lowering blood glucose.
It stimulates the breakdown of glycogen into glucose.
It inhibits the release of glucose from the liver.
It blocks the absorption of glucose in the small intestine.
Explanation
Glucagon increases blood glucose levels by releasing glucose stored in the liver.
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