In Afghanistan, the US-led international force still occupies more than 450 bases. In total, the US military has some form of troop presence in approximately 150 foreign countries, not to mention 11 aircraft carrier task forcesâessentially floating basesâand a significant, and growing, military presence in space.
Metabolism is the set of chemical reactions that occur in living organisms in order to maintain life. These processes allow organisms to grow and reproduce, maintain their structures, and respond to their environments.
Nutrition & Metabolism Disorder Overview. Metabolism is the chemical process your body uses to transform the food you eat into the fuel that keeps you alive.Nutrition (food) consists of proteins, carbohydrates, and fats.or instance: 1  a missing enzyme or vitamin that is necessary for an important chemical reaction. 2  abnormal chemical reactions that hinder metabolic processes. 3  disease in the liver, pancreas, endocrine glands or other organs involved in metabolism. 4  nutritional deficiencies.