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Human Health and Disease

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Animal Kingdom
Structural Organisation in Animals
Digestion and Absorption
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  1. The cell in the human body invaded by the human immuno-deficiency virus (HIV) is
    1. T-helper cell
    2. Erythrocyte
    3. B-cell
    4. Macrophage
Correct Option: A

AIDS is characterized by reduction in the number of helper T- lymphocytes because of HIV infection. It suppresses human immune system due to which any secondary infection may lead to death. T-lymphocytes are main cells of immune system.


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