Answer: By transforming energy from one type to another.
Explanation:
Energy is not destroyed, it is conserved. During a thermodynamic process, it is transformed from one type to another. The first law expresses a system energy balance. Energy flows in a system (work and heat) are related to changes in system Energy. Thus the first law of thermodynamics says: "The sum of the heat exchanged by a system and the work done by or in a system is equal to the variation of the internal energy of that system."
Insulin causes the body's cells to take in and store glucose, lowering the blood glucose concentration. If blood glucose gets too low, the body releases glucagon, which causes the release of glucose from some of the body's cells.
