Background. 1  Composed of cells, tissues, organs, organ systems. 2  All cells use ATP for reactions. 3  Four primary types of tissue: epithelial, connective, muscle, and nervous.  Organs have at least two or more types of 1  tissue. Organ systems:
Advocacy Law and Legal Definition Advocacy is the act of pleading for or arguing in favor of something or actively supporting a cause or proposal. It can also refer to the work or profession of an advocate. For lawyers advocacy
Nonprofit advocacy groups are often known as special interest groups, citizen organizations, mobilizing groups, multi-issue organizations, or social movement organizations. The activities in which they participate may be called grassroots action, civic voice, public action, organizing and empowerment.efinition. Advocacy means to speak up, to plead the case of another, or to fight for a cause. Derived from the Latin word advocare, which means coming to the aid of someone, advocacy is an important function of most nonprofit organizations.