Q: Fact 1: HIV infects and destroys helper T cells. Fact 2: Helper T cells are the critical link in our immune system. Given the two facts above, what does HIV damage?

Possible answers: (a). Leptospirosis (b). immunities (c). Our immune system (d). immunizations (e). Veins and arteries. (f). respiratory system (g). Plant reproduction (h). the body's largest organ
A:
(c).