- Healing and tissue repair -healing cuts,broken bones,replacing dead cells.
- Growth -cell division allows an organism to grow bigger.
- Reproduction of organisms -unicellular organisms like bacteria reproduce by dividing in two.sexual reproduction in multi cellular organisms occurs when sperm and egg cells are made from the division of cells reproductive organs.
- Cell division involves in repairing of cells - e.g. bone marrow makes the new blood cells.
- single-celled organisms use cell division to reproduce themselves.