The document summarizes the process of cell division and the cell cycle. It explains that cell division allows for the reproduction of cells and the formation of daughter cells from a mother cell. The cell cycle consists of interphase, which includes the G1, S, and G2 phases for cell growth and DNA replication, and the mitotic phase of prophase, metaphase, anaphase and telophase for nuclear division. Mitosis is important for normal growth, development, and repair of living organisms through the formation of new tissues and replacement of old cells.