Fact 1: Aging is associated with the death of cells.

Fact 2: If the waste accumulates, the cell ages and dies.

Given the two facts above, answer the question "What do dying cells do?" with the following options: 
- Move to another area
 - survival
 - accumulate waste
 - harm them
 - kill them
 - They may not survive.
 - keeps the organism warm
 - forest is destroyed


 

   accumulate waste      