You are presented with the question "What happens as cells lose their ability to divide?" and the following answer choices: 
- anemia
 - puberty
 - negative
 - radiation
 - getting old
 - replication
 - Dehydration
 - having a baby

Now knowing that aging occurs as cells lose their ability to divide and gerontology is the study of the aging process and old age, choose the best answer.


 

     getting old    