Parathyroid agents are drugs used to treat disorders that affect serum calcium levels. This can be either antihypocalcemic agent or antihypercalcemic agent (further classified into bisphosphonates and calcitonins).
Blood is the “river of life” that surges within us. It transports everything that must be carried from one place to another within the body- nutrients, wastes (headed for elimination from the body) and body heat through blood vessels. Long before modern medicine, blood was viewed as magical, because when it drained from the body, life departed as well.