Which kind of immunity is built up over time in response to specific antigens?
innate immunity
acquired immunity
plasma immunity
antigen immunity

The correct answer is B. Acquired immunity

Explanation:

The term "immunity" describes processes in response to viruses, bacteria, strange bodies, etc. This is classified into acquired immunity and innate immunity. These two types differ because acquired immunity is built up over time as one specific pathogen is recognized, and the body develops a specific response to it to attack it if it enters the body again. On the other hand, innate immunity does not develop over time but exists from birth. Thus, the immunity that is built up over time in response to specific antigens is acquired immunity.

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