Blood glucose levels

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  • Controlling blood sugar levels
    • controlled by the pancreas
    • Insulin
      • eating foods that contain carbs increases the glucose levels in blood
        • If glucose levels are too high, the pancreas produces insulin
      • reduces blood glucose levels
      • 1) Glucose moves from blood to muscle cells for repspiration
        • 2)Excess glucose coverts to glycogen which is stored in the liver
    • Glucagon
      • Activity e.g sports uses glucose for respiration so is therefore less in blood
      • If glucose levels decrease, the pancreas produces glucagon
      • Glucagon binds to liver cells causing glycogen to break down into glucose
      • Glucose is released into the blood, increasing blood glucose concentration
    • Glucose levels stay constant by using glycogen and glucagon


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