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
Joyce Johnson. Definition. 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.It describes a wide range of expressions, actions and activities that seek to influence outcomes directly affecting the lives of the people served by the organization.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.