Which of these hormones is not important for metabolic homeostasis? Insulin Epinephrine

To determine which hormone is not important for metabolic homeostasis between insulin and epinephrine, we need to understand the roles of these hormones in metabolic processes. 1. **Insulin**: Insulin is a hormone produced by the pancreas that plays a crucial role in regulating blood glucose levels. It facilitates the uptake of glucose by cells, thereby lowering blood glucose levels. Insulin also promotes the storage of glucose in the form of glycogen in the liver and muscles. Therefore, insulin is essential for metabolic homeostasis. 2. **Epinephrine (Adrenaline)**: Epinephrine is a hormone produced by the adrenal glands that prepares the body for "fight or flight" responses. It increases blood glucose levels by stimulating the breakdown of glycogen in the liver and muscles into glucose. Epinephrine also increases the release of glucose from stored energy sources. Although epinephrine does affect metabolic processes, its primary role is not in maintaining metabolic homeostasis but rather in responding to stress or emergency situations. Based on the roles of insulin and epinephrine in metabolic processes, **Epinephrine (Adrenaline)** is not as directly involved in maintaining metabolic homeostasis as insulin is.