Describe the 3 (three) lines of defence provided by our immune system (in 80-100 words).
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The three types of defense produced of the immune system are :
Through barriers
Innate immunity
Acquired immunity
Explanation:
- Barriers: The skin, mucous of a person;s body acts as barriers to trap pathogens. These barriers make up the first line of defense.
- Innate immunity: Innate immunity refers to the type of immunity that is not characterized and is a general response of the immune cells.Innate immunity comes under the second line of defense and is present in the body of a person from the beginning.
- Acquired Immunity: This type of immunity is specific for pathogens and is the third line of defense. This type of immunity is acquired with time.
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