controlling blood glucose

Cards (12)

  • Blood glucose concentration is controlled by the hormones insulin and glucagon
  • Blood glucose concentration refers to the amount of sugar in the bloodstream
  • A balance is needed to ensure blood glucose concentration is not too high or too low
  • After consuming a meal high in carbohydrates, the glucose molecules are broken down in the intestines and absorbed into the bloodstream, causing an increase in blood glucose concentration
  • Pancreas detects the rise in glucose levels and releases insulin into the bloodstream
  • Insulin binds to receptors on cells, prompting them to take in glucose for energy production
  • Liver and muscle cells play a crucial role in taking up extra glucose and converting it into glycogen for storage
  • As glucose is removed from the blood, the blood glucose concentration decreases
  • Glucagon is released by the pancreas in response to low blood glucose levels
  • Glucagon acts by breaking down glycogen into glucose molecules, increasing blood glucose concentration
  • Insulin decreases blood glucose levels, while glucagon increases blood glucose levels, creating a negative feedback loop
  • The body maintains blood glucose levels by releasing insulin and glucagon as needed