Every day, many processes are performed in our body. Among others, the principles are not so simple like the method of cell division. This action is made almost every second in our body; we are constantly making new cells so it is very important. Organisms create new cells in two main situations, to grow new cells and to replace old dead cells. The human body produces cell division all the time. This text will explain more about the two main types of cell division: mitosis and meiosis.