The government of Illinois, under the Constitution of Illinois, has three branches of government: executive, legislative and judicial. The executive branch is split into several statewide elected offices, with the Governor as chief executive, and has numerous departments, agencies, boards and commissions. Legislative functions are granted to the General Assembly, composed of the 118-member House of Representatives and the 59-member Senate. The judiciary is composed of the Supreme Court and lower courts. The government of Illinois has numerous departments, agencies, boards and commissions, but the code departments, so called because they're established by the Civil Administrative Code of Illinois, provide most of the state's services:Department on AgingDepartment of AgricultureDepartment of Central Management ServicesDepartment of Children and Family ServicesDepartment of Commerce and Economic OpportunityDepartment of CorrectionsDepartment of Employment SecurityDepartment of Financial and Professional RegulationDepartment of Healthcare and Family ServicesDepartment of Human RightsDepartment of Human ServicesDepartment of Juvenile JusticeDepartment of LaborDepartment of the LotteryDepartment of Natural ResourcesDepartment of Public HealthDepartment of RevenueDepartment of State PoliceDepartment of TransportationDepartment of Veterans' Affairs