regulating blood glucose

• 1. the concentration of glucose in the blood is controlled by the pancreas.
• 2. if the pancreas senses that the blood glucose concentration is too high,it releases the hormone insulin
• 3. insulin causes the liver and muscle cells to absorb glucose from the blood and convert it to glycogen.this lowers the blood glucose concentration to normal levels
• 4. glycogen is a storage form of glucose in animals
• 5. if the pancreas senses that the blood glucose concentration is too low,it releases the hormone glucagon
• 6. glucagon causes the liver and muscle cells to convert glycogen back to glucose and release it back into the blood.this increases the blood glucose concentration to normal levels