You are presented with the question "what is a disease in which cells divide out of control?" and the following answer choices: 
- AIDS
 - fever
 - mitosis
 - cigarettes
 - diseased cells
 - leukemia
 - Smoking
 - parasites

Now knowing that cancer is a disease in which cells divide out of control and leukemias are cancers of the blood, choose the best answer.


 

      leukemia   