Effective in 2003, the Bureaus of Alcohol, Tobacco and Firearms (ATF), Federal Law Enforcement Training Center (FLETC), U.S. Customs, and the United States Secret Service (USSS) are no longer Bureaus of the Department of the Treasury.
The endocrine system is made up of a network of glands. These glands secrete hormones to regulate many bodily functions, including growth and metabolism. Endocrine diseases are common and usually occur when glands produce an incorrect amount of hormones.
1 Hormones are chemicals produced by the glands of your endocrine system in response to changes in your body. 2  They are produced to restore homeostasis-the normal, healthy andâ¦. 3  Using Hormones to Get Bigger Breasts During puberty, the pituitary gland activates and the body is flooded with hormones.ormones are chemical messengers produced by cells that bind to receptors on the plasma membrane of other cells or enter other cells and alter the metabolic function of these cells.