Question

A person who has a weakened immune system may not be able to fight against infection because

Answer 1

His immune system cannot fight against invading pathogens.

Step-by-step explanation:

Weaken immune system represents a state of immunodeficiency, in which immune system of an individual fails to fight properly with infections and cancer.

This is due to inability of body to make functional immune cells, such as neutrophils, T cells, B cells, and macrophages or decreased production of these cells and other components of immune system that provide protection against invading pathogens.

Answer 2

A person with an immune system which is weakened may not be able to fight against infection reason being that the white blood cells which makes up the immune system, fighting off infection and protecting the body against disease which cause organisms are weak.

For a person to be able to fight disease the immune system should be highly complex. For health maintenance thee should be balanced and strong immune system.

Impaired immune response can pose to a serious bad health.

To avoid the influence of immune someone should avoid emotional stress, environmental and chemical exposure and physical stressors for example lack of enough sleep.