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 work is a broad profession that encompasses its activities in fields like Health and Mental Health, Social Service Administration, Children and Their Families, Social Work Policy Analysis, Social Justice and Diversity, Forensic and Traumatology, Gerontology...etc.rofesional social work originated in 19th century England, and had its roots in the social and economic upheaval wrought by the Industrial Revolution, in particular the societal struggle to deal with the resultant mass urban-based poverty and its related problems.