Hormones: Maintaining Blood Homeostasis (AQA GCSE Biology): Flashcards
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Practise the cards
13 cards from this deck
What organ monitors and controls blood glucose?
What organ monitors and controls blood glucose?
Pancreas
What is insulin?
What is insulin?
Hormone made by pancreas that lowers blood glucose
Main effect of insulin on blood glucose
Main effect of insulin on blood glucose
Causes blood glucose levels to drop
Main target organs for insulin
Main target organs for insulin
Muscle cells and liver cells
Storage form of glucose in animals
Storage form of glucose in animals
Glycogen
How is glycogen formed?
How is glycogen formed?
Many glucose molecules join together
Where do animals store glycogen?
Where do animals store glycogen?
Liver and muscle cells
Type of feedback that controls blood glucose
Type of feedback that controls blood glucose
Negative feedback
Pancreas response when blood glucose rises
Pancreas response when blood glucose rises
Increases insulin production
What does insulin cause cells to do with glucose?
What does insulin cause cells to do with glucose?
Take up more glucose from blood and store it
Pancreas response when blood glucose falls
Pancreas response when blood glucose falls
Decreases insulin production
Blood glucose pattern after a meal
Blood glucose pattern after a meal
Rises then falls back to normal
Why insulin is described as a 'key'
Why insulin is described as a 'key'
Helps glucose get into cells