blood glucose levels

• What if the blood glucose concentration is too high?

  • Pancreas detects high levels
  • Insulin is secreted into blood
  • Detected by liver and muscles
  • Glucose absorbed by muscles and liver
  • Glucose is converted to glycogen for storage
  • Blood glucose concentration falls
• What if the blood glucose concentration is too low?

  • Pancreas detects low levels
  • Glucagon secreted into blood
  • Detected by liver and muscles
  • Glycogen converted to glucose
  • Glucose released by muscles and liver
  • Blood glucose concentration rises
• What is insulin?


  A hormone produced by the pancreas that regulates blood glucose levels?
• What is glycogen?


  A store of glucose in animals and humans - that generates glucose.
• What is glucagon?


  A hormone released when the glucose is gone.