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Learning objective

Explain (HT only) how insulin and glucagon interact in a negative feedback cycle to control blood glucose concentration.

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Topic

Hormonal coordination in humans

Subtopic

Control of blood glucose concentration

Aqa Gcse BiologyHomeostasis and response

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Quick explanation

Explain (HT only) how insulin and glucagon interact in a negative feedback cycle to control blood glucose concentration

  • This point belongs to Hormonal coordination in humans, especially Control of blood glucose concentration.
  • You need to be able to explain (HT only) how insulin and glucagon interact in a negative feedback cycle to control blood glucose concentration.
  • The key ideas to know are insulin, glucagon, and blood glucose.
  • Use the linked flashcards and practice questions to check recall, then practise applying the idea in an exam-style answer.

Key concepts

insulinglucagonblood glucoseHT onlynegative feedback

Why it matters

This objective helps connect Control of blood glucose concentration to exam-style questions, flashcards, and revision notes for Hormonal coordination in humans.

Quick student answer

How do you explain (HT only) how insulin and glucagon interact in a negative feedback cycle to control blood glucose concentration?

Direct answer

In Biology, this page helps you answer questions about (HT only) how insulin and glucagon interact in a negative feedback cycle to control blood glucose concentration within Hormonal coordination in humans. Focus on the key process, correct scientific terms, and how the idea links to exam-style questions. Key terms to check are insulin and glucagon.

Key terms

  • insulin: A hormone secreted by the pancreas that lowers blood glucose concentration by facilitating the uptake of glucose into cells.
  • glucagon: A hormone secreted by the pancreas that raises blood glucose concentration by stimulating the conversion of glycogen to glucose in the liver.

Common trap

Misunderstanding Negative Feedback: Clarify that insulin lowers blood glucose levels by facilitating glucose uptake and storage, while glucagon raises blood glucose levels by promoting the conversion of glycogen to glucose in the liver.

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