Question

Repeated exposure to a pathogen leads to the development of ____

Answer 1

Repeated exposure to a certain type of antigen results in the production of immunity.

Explanation:

• White blood cells in our bodies fight the bacterial and viral infections.

• Bacteria and viruses invade our body and make us terribly sick.

• The white blood cells consist of proteins called antibodies that mark bacteria for destruction. The anti-bodies are specific for specific disease-causing microbes.

• Phagocytosis is the process by which the anti-bodies 'eat' or destroy the bacteria that are harmful for human body.

• The white blood cells form the first line of defence when a bacterial infection strikes.

• White blood cells are of two types lymphocytes and leukocytes.The leukocytes are produced in the bone marrow.

To know more white blood cells,

What is immunity? Brainly.in

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Answer 2

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Repeated exposure to a pathogen leads to the development of ____

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Repeated exposure to a pathogen leads to the development of disease .

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What is a disease ?

Answer : Disease is a condition of body when it's normal functioning is distributed due to any disorder or abnormal functioning .

What are the types of diseases ?

Answer : Disease is generally divided in four categories :

1. Infectious disease
2. Hereditary disease
3. Deficiency disease
4. Physiological disease

Give some examples of disease .

Answer : Few examples include hepatitis b , malaria , cold , fever , dengue , typhoid , tuberculosis , polio etc.