Here's why:
* Mitosis is the division of the nucleus, resulting in two identical nuclei. It has four phases: prophase, metaphase, anaphase, and telophase.
* Cytokinesis is the division of the cytoplasm, resulting in two separate daughter cells. It starts during late anaphase or telophase of mitosis and continues after the nuclear division is complete.
Think of it like this: mitosis is like the "baking" of the bread, and cytokinesis is like "slicing" it into two loaves. The slicing happens after the baking is done.