This video deals with antibodies, their structures and functions. Classification of antibodies and their specific properties are also provided. Timeline 0:00 Introduction 0:10 Mnemonic for antibodies 0:49 IgG 7:26 IgA 10:55 IgM 15:53 IgE 22:44 IgD 24:40 Somatic Hypermutation 29:27 Passive and active immunity 34:34 Structure of antibody