1 The brain and the nerv…. 2  The Pituitary: A Small Gland that Makes a Big Difference The pituitary is a gland also called the Master Gland because its function is to control the amount of hormones that are produced and distributed to the body and organs.3  It m….he pituitary gland controls body temperature. The hypothalamus is part of the brain (not a gland), and the pituitary gland is a protrusion off the b … ottom of the hypothalamus at the base of the brain. + 5 others found this useful.