This video enlightens our knowledge regarding leukopoiesis(WBCS) formation, their different types of cells , lineages and their cycles, respectively. TIMELINE: 0:30 Introduction 1:01 Blood cell lineages different types 1:23 Granulocytes and Agranulocytes 1:43 Definition of leukopoiesis 2:35 Classification of leukocytes 3:15 Granulocytopoiesis 6:05 Life span of WBCS 7:38 Monocyte formation 10:08 Monocyte cycle 10:58 lymphopoiesis process detail