Control of Blood Glucose Concentration (OCR GCSE Biology A, Combined (Gateway Science Suite)): Quizzes
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Practise the questions
12 questions from this quiz
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Practise the questions
12 questions from this quiz
Why must blood glucose concentration be kept within certain limits?
Why must blood glucose concentration be kept within certain limits?
Glucose is needed by cells for respiration
Which organ controls blood glucose concentration?
Which organ controls blood glucose concentration?
The pancreas
What causes blood glucose levels to increase?
What causes blood glucose levels to increase?
Eating foods containing carbohydrates
When glucose levels are too high, which hormone does the pancreas produce?
When glucose levels are too high, which hormone does the pancreas produce?
Insulin
What are the target organs for insulin?
What are the target organs for insulin?
Muscles and liver
What is excess glucose converted into and where is it stored?
What is excess glucose converted into and where is it stored?
Glycogen stored in the liver
How does exercise affect blood glucose levels?
How does exercise affect blood glucose levels?
Decreases glucose as it's used in respiration
When does the pancreas produce glucagon?
When does the pancreas produce glucagon?
When glucose levels decrease
What does glucagon cause to happen in the liver?
What does glucagon cause to happen in the liver?
Glycogen is broken down into glucose
How do insulin and glucagon maintain constant blood glucose?
How do insulin and glucagon maintain constant blood glucose?
They work in a negative feedback loop
What causes Type 1 diabetes and how is it treated?
What causes Type 1 diabetes and how is it treated?
Pancreas can't make insulin; insulin injections
What causes Type 2 diabetes and what is a risk factor?
What causes Type 2 diabetes and what is a risk factor?
Cells don't respond to insulin; obesity