When the level of glucose is higher than normal,the beta cells of the islets of langerhans in the pancreas are stimulated to secrete insulin.
Actions of Insulin in the Regulation of blood glucose level
- Insulin facilitates or stimulates the conversion of excess glucose to glycogen for storage
- Insulin facilitates the conversion of excess glucose to fatty acids and glycerol
- Insulin also stimulates body cells like hepatocytes to pick up excess glucose for glycolysis to take place so that energy can be produced in the form of ATP.
When the level of glucose falls below normal,the alpha cells of the islets of langerhans in the pancreas are stimulated to secrete glucagon.
Actions of Glucagon in the Regulation of blood glucose level
- Glucagon facilitates the breakdown of stored glycogen to glucose (Glycolysis)
- Glucagon also enhance the conversion of fatty acid to glucose (Gluconeogenesis)
This help to bring the level of glucose to normal
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