Cellular Defense

Cellular Defense

How does HIV functions to effectively eliminate an individual’s immune function?

2. how does killer T-cells (cellular immunity) fight infections?

3. Why does the doctor check under your chin and behind your ears when you think you have a sore throat?

4. What role do white blood cells play in the defense against pathogens?

1. AIDS, a late stage of infection with the human immunodeficiency virus (HIV). ...a CD4 + helper T-cell count of less than 200 cells/mm3

2. T cells are extremely important to your immunity. If a microbe that can cause an infection infiltrates the body's initial barriers, such as skin or mucus, the responsibility falls to the cells of the immune system to protect you. T cells are the army troops that do the fighting, whereas the B cell's antibodies are the armed guards that hold a grudge against past offenders.

3. To see if your lymph nodes are swollen. If your nodes are swollen, it means Your Body is fighting an infection.

4. WBC's (aka leukocytes, leuko=white cytes=cells) help keep your body healthy. WBC's fight off anything affecting your immune system.