However, the structure of lymphatic tissues vary according to the particular type of lymphatic tissue or organ they form a part of - (a), (b) or (c) above, and possibly also it's location in the body-especially in the case of (c) Lymph (Fluid).
The exposition is the portion of a story that introduces important background information to the audience; for example, information about the setting, events occurring before the main plot, characters' back stories, etc.
The purpose of this guide is to provide advice on how to develop and organize a research paper in the social sciences. Background information identifies and describes the history and nature of a well-defined research problem with reference to the existing literature.