controls some of the functions of all the pituitary gland such as water and solute balance, temperature control, carbohydrate metabolism, and production of breast milk. helper for keeping the balance of the body's functioning homeostasis. It plays an important role in regulating homeostasis because it monitors sensory signals relating to sight, smell, taste, noise, and body temperature. A “hunger center” located in the hypothalamus alerts us when we need to eat, and a “thirst center” signals us to drink something when body fluids become too concentrated.