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
(1) The process of actively supporting the cause of, speaking or writing in favour of, or defending or interceding on behalf of a person (case advocacy) or group (class advocacy). Advocacy may include providing information and tools for self-empowerment in patientsâ health and social care, and helping them obtain needed services. (2) Action to assure the best possible services for or intervention in the service system on behalf of an individual or group.