The third video in the series is basically discussing the differences between reversible and non-reversible injuries, their mechanisms and their examples. It also discusses necrosis and their types. Timeline: 0:00 Introduction 0:40 Reversible changes 1:25 Irreversible changes 3:04 Injury causes (reversible) 3:45 Injury Mechanisms (reversible) 4:45 Death 6:55 Necrosis