Insulin: A hormone produced by the pancreas that helps lower blood sugar levels by promoting the uptake and storage of glucose in cells.
Glucagon: A hormone produced by the pancreas that helps raise blood sugar levels by stimulating the breakdown of stored glycogen into glucose.
Homeostasis: The ability of an organism to maintain internal stability or balance despite external changes. In terms of blood glucose regulation, it refers to keeping blood sugar levels within a narrow range to ensure proper bodily functions.