AIDS is a disease that can damage any of the body's major organ systems because HIV destroys immune system cells. HIV attacks the body through three disease processes: immunodeficiency, autoimmunity, and nervous system dysfunction.cquired immune deficiency syndrome (AIDS) is an infectious disease caused by the human immunodeficiency virus (HIV). There are two variants of the HIV virus, HIV-1 and HIV-2, both of which ultimately cause AIDS.
overlook noun [C]. âº a âplace from where a âperson can âlook at something, âespecially at an âarea of ânatural âbeauty: There are âlots of âscenic overlooks along the âroad from New York to Montreal. (Definition of overlook from the Cambridge Advanced Learnerâs Dictionary & Thesaurus Â© Cambridge University Press). See all translations.
viewÂ·er. n. 1. One that views, especially an onlooker or spectator. 2. Any of various optical devices used to facilitate the viewing of photographic transparencies by illuminating or magnifying them. 3. A person who watches television or movies: viewers of prime-time shows; viewers of action movies.