Answer: Option A. mitosis
Explanation:
Mitosis is a part of the cell cycle in which replicated chromosomes get divide into two new nuclei.
Mitosis plays a very important function of cell replacement which allows the repairing of some parts of body including skin and digestive tract.
When cells of skin get scraped or cut, the cells got replaced by new cells through the process of mitosis. In the replacement process new cells are formed which are exact copies of the injured cells.
Hence, the correct option is A.
