The Executive Branch is comprised of the President and his Cabinet (Secretaries). Secretaries serve as the heads of government departments. Departments, commissions, and agencies are responsible for interpreting the laws passed by Congress and administering government programs created by those laws.he Executive Branch is comprised of the President and his Cabinet (Secretaries). Secretaries serve as the heads of government departments. Departments, commissions, and agencies are responsible for interpreting the laws passed by Congress and administering government programs created by those laws.
The liver also filters harmful substances from the blood. Phagocytic cells in the liver, called Kupffer cells, remove large amounts of debris and bacteria. In addition, the liver stores important vitamins and minerals, including vitamins A, D, K, and B12.
Functions of blood and circulation: 1  Circulates OXYGEN and removes Carbon Dioxide. 2  Provides cells with NUTRIENTS. 3  Removes the waste products of metabolism to the excretory organs for disposal. 4  Protects the body against disease and infection. 5  Clotting stops bleeding after injury. 6  Transports HORMONES to target cells and organs.