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.
There are 5 essential parts to any plot of a story. 1. Exposition - the background of the story or events that happened prior to the story. The exposition provides the reader with the information they need to know before diving into the actual story. The exposition serves the purpose of putting the rest of the story in context.