Question

Describe the 3 (three) lines of defence provided by our immune system (in 80-100 words).​

Answer 1

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.