If you want to a general overview of red blood cells or erythrocytes, this video is for you. This 10 min long video provides you with some key facts about RBCs. Timeline: 0:00 Introduction 0:15 Overview 0:41 Erythropoiesis 1:10 Function 3:04 Characteristics of RBCs 4:21 Binding of O2 5:19 Haemoglobin structure 6:05 Heme group structure 7:05 Removal of O2 8:16 Disorders of RBCs 8:27 Anemia