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
3 Responses to Special Education Advocacy. 1  Such a good article! You raise important issues regarding advocacy and the need for consumer protection. I believe some answers already do exist. Firstly, no one should be providing legal advocacy without a license to practice law.