Download or read book OCR A Level Human Biology AS and A2 written by Barbara Geatrell and published by Heinemann Secondary. This book was released on 2009-09-01 with total page 208 pages. Available in PDF, EPUB and Kindle. Book excerpt: This revision guide is clearly written by experienced examiners and teachers and is packed full of information, quick-check revision questions, hints and tips from examiners, and practice exam-style questions, to provide students with that extra help they need for exam preparation.