A). If you get sick, you have a weakness within the immune system that causes you to have the symptoms of the illness as the white blood cells are failing in getting rid of the illness itself.
B. Adolescents need more calories and nutrients, especially if they are very inactive.
<span>Hi
HIV weakens the immune system. At a late stage, so it makes the body vulnerable to infections. It is transmitted sexually or through blood, or the pregnant woman to her child.
HIV is different from other viruses because it attacks the immune system, which normally role combat<span>.</span></span>