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
Donaldson and Shields (2009) differentiated policy or class advocacy fromcase advocacy as the former ârefers to efforts to change social systems to beneï¬t a population ofpeople, as opposed to case advocacy, which refers to helping individual clients access systems toreceive beneï¬tsâ (p. 83).