A comprehensive textbook for students of the Higher Grade Human Biology syllabus, which was first examined in 1993. It is divided into sections matching topics in the syllabus, offering many examples of data interpretation to help students meet the demands of the examination, and also providing summaries which are designed to help with revision. The book was written specifically for the SCE Higher Grade Human Biology Arrangements, and contains a variety of questions to consolidate knowledge and understanding, plus practice in problem solving and in aspects of compulsory practical activities. The book could also be used by students taking Human Physiology and Health A Level.