Answer:
The part of the cell theory that best explains why your skin is able to repair itself after it has been cut or scraped is the cell division part.
The cell theory states that all living things are made up of cells, cells are the basic unit of life, and new cells come from existing cells. When your skin is cut or scraped, the cells at the edges of the wound start to divide and multiply. This process of cell division creates new cells that fill in the gap, repairing the wound.