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SparkCharts(tm):The information you need-concisely, conveniently, and accurately.   Created by Harvard students for students everywhere, these study companions and reference tools cover a wide range of college and graduate school subjects, from Business and Computer Programming to Medicine, Law, and Languages. They'll give you what it takes to find success in school and beyond. Outlines and summaries cover key points, while diagrams and tables make difficult concepts easier to grasp.   This six-page chart covers:   Orientation of the Body Cell Biology Basics Nervous System Cardiovascular System Renal System Respiratory System Gastrointestinal System Endocrine System