Fact 1: HIV infects and destroys helper T cells.

Fact 2: Helper T Cells Helper T cells are the brains behind immune response.

Given the two facts above, answer the question "What can HIV infect and destroy part of?" with the following options: 
- water
 - parasitic
 - epidermis and dermis
 - the immune response
 - Veins and arteries.
 - Most plants
 - the body's largest organ
 - Trojan worm


 

    the immune response     