You are presented with the question "What does the human immunodeficiency virus destroy?" and the following answer choices: 
- B cells
 - bacteria
 - helper T cells
 - animals
 - epidermis and dermis
 - critical organs
 - an organism's body
 - cancer cells

Now knowing that hIV infects and destroys helper T cells and hIV, the human immunodeficiency virus, is a retrovirus, choose the best answer.


 

   helper T cells      