Answer ( 1 )

  1. Earth has many living things. While humans, plants, animals etc. are all larger in size tjat can be seen by naked eye. Bur there are many living things that are so small which cant be seen through naked eye but only through microscopes. These living things are called microbes or micro- organisms. There are three types of them

    Fungi ( known better as fungus)

    Bacteria

    Viruses.

    Among these, viruses are the smallest one and will grow (reproduction) only inside a cell.

    Now let us come to HIV.

    HIV is Human Immunodeficiency VIRUS. Yes, HIV is a virus. It attack human’s immune system.

    Human body is protected from its attackers from outside (bacteria, fungi, and viruses, etc) by its immune system. When immune system is affected, body looses its capacity to fight against any of its attackers. In easy words a person will get affected easily by any infection by the microbes. Flu, TB, cold, … any disese will easily attack the person. So iune system should be strong for a healthy body.

    So HIV affects the human immune system.

    AIDS is Acquired Immuno-Deficiency Syndrome. AIDS is the name for the disease created by HIV virus.

    HIV causes AIDS and affects the body’s ability to fight against infections.

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