Here's a breakdown:

* Cell Division: This is the process by which a single cell divides into two or more daughter cells. There are two main types of cell division:

* Mitosis: This type of division produces two daughter cells that are genetically identical to the parent cell. This is the primary way that multicellular organisms grow and repair tissues.

* Meiosis: This type of division produces four daughter cells, each with half the number of chromosomes as the parent cell. This is the process that creates gametes (sperm and egg cells) for sexual reproduction.

* Cell Enlargement: After a cell divides, the daughter cells grow in size. This can involve increasing the amount of cytoplasm, organelles, and other cellular components.

Together, these two processes allow organisms to increase in size, complexity, and number of cells, ultimately leading to growth.