what is immunity ? in 40 words
Answers
Answer:
immunity is the capability of multicellular organisms to resist harmful microorganisms. Immunity involves both specific and nonspecific components. The nonspecific components act as barriers or eliminators of a wide range of pathogens irrespective of their antigenic make-up. There are several types of immunity, including innate immunity, passive immunity, and acquired/active immunity. Image 1.1 is a visual showing active immunity as a process of exposing the body to an antigen to produce an adaptive immune response, while passive immunity “borrows” antibodies from another person.
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Answer:
Immunity is the ability of the body to defend itself from 'foreign bodies'.Vaccination builds on the natural immune system to make a person resists certain diseases. Immunity is of two types.Innate immunity protects the host against infection,but has no memory and so gives no longer term Immunity.