Cells that divide uncontrollably may form a tumor, or abnormal mass of cells, and abnormal cells are irregular in shape. Given these facts, cells that divide uncontrollably may form an irregular what among the following options:
- Epidermis
 - massive damage
 - Veins and arteries.
 - permineralization
 - flow of electrons
 - mass of cells
 - illness
 - swamp vegetation


 

      mass of cells   