Insulin then helps move the sugar from the blood into your cells. As the glucose level falls the insulin level also falls so that the individual doesnt get hypoglycemia. 2 Regulation Of Blood Glucose Levels By Insulin And Glucagon When Download Scientific Diagram Glucagon raises blood sugar levels whereas insulin lowers blood sugar levels. . Insulin is a hormone which plays a key role in the regulation of blood glucose levels. Insulin and glucagon work together to balance your blood sugar levels keeping them in the narrow range that your body requires. These hormones are like the yin and yang of blood glucose maintenance. After a meal the islets release insulin which ushers glucose from the blood stream into the bodys cells for immediate use in the production of energy or into the liver and fat cells for storage. After you eat carbohydrates break down into glucose a sugar that is the bodys primary source of energy. - incre...