We’re all of almost the same height and weight when we’re born. So, how did we grow up to be so tall, thin, short or fat? And before that how did we become babies? Are you aware that babies come from a single fetus and this fetus is made up of many single cells together? So, basically, we start our lives from a single cell. Isn’t this amazing? So, how does a single cell goes on to form such large organisms? Let us study Cell Cycle and Cell Division in detail.