Potassium is one of the major electrolytes (together with sodium, chloride and magnesium) that conducts electricity in the human body. It also plays important roles in muscle contraction, nerve impulse transmission, and in maintaining the balance of fluids in the body.
The first modern usage of the specific term social justice is typically attributed to Catholic thinkers from the 1840s, including the Jesuit Luigi Taparelli in CiviltÃ  Cattolica, based on the work of St. Thomas Aquinas.
Social justice is recognized as a core value of social work, and justice-oriented social work has roots in the early history of the profession. However, there are controversies about the meaning of social justice and the most appropriate theoretical approach for justice-oriented social work. There are also challenges in translating conceptualizations of social justice into practice.