This system describes how bones are connected to other bones and muscle fibers via connective tissue such as tendons and ligaments. The bones provide stability to the body. Muscles keep bones in place and also play a role in the movement of bones.he musculoskeletal system refers to the system having its muscles attached to an internal skeletal system and is necessary for humans to move to a more favorable position.
A social institution is defined as a collection of individuals banded together in pursuit of a common purpose. A social institution's common purposes include granting its members certain rights and privileges. Members of a social institution also possess certain delineated duties, responsibilities and liabilities. As a group, the people making up a social institution share common objectives and goals.
As structures and mechanisms of social order, institutions are one of the principal objects of study in the social sciences, such as political science, anthropology, economics, and sociology (the latter being described by David Durkheim as the science of institutions, their genesis and their functioning). Religion and religious institutions-see sociology of religion; civil religion. 2  Educational institutions-schools (preschool, primary/elementary, secondary, and post-secondary/higher-see Sociology of education).