Insulin and glucagon control blood sugar concentration by regulating glucose uptake, storage, and release.
Insulin and glucagon play key roles in regulating blood sugar concentration. Beta cells in the pancreas secrete insulin when blood glucose levels are high, promoting glucose uptake by cells, storage of glucose as glycogen in the liver, and inhibiting glycogen breakdown. On the other hand, alpha cells release glucagon when blood glucose levels are low, causing the release of stored glucose into the blood.
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