Each Concentrate revision guide is packed with essential information, key cases, revision tips, exam Q&As, and more. Concentrates show you what to expect in a law exam, what examiners are looking for, and how to achieve extra marks. This chapter discusses general defences, covering key debates, sample questions, diagram answer plan, tips for getting extra marks, and online resources. To answer questions on this topic, students need to understand the following: the concept of negligence; the Occupier’s Liability Acts; the defence of volenti non fit injuria; the defence of contributory negligence and the Law Reform (Contributory Negligence) Act 1945; and the defence of illegality—ex turpi causa non oritur action.