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.
Lymphatic system. Supplies and drains lymph fluid in support of the cardiovascular and immune systems. Respiratory system. The lungs and the trachea that bring air into the body. Urinary system. The system where the kidneys filter blood.