Answer :
Adaptive immunity is the body's defense mechanism against certain antigens. Adaptive immunity is very important for vertebrates to overcome viral invasion of the body.
Adaptive immunity is the body's defense mechanism that arises as a result of certain antigen stimuli. Adaptive immunity will be activated by the body when innate immunity is unable to overcome the invasion of viruses that attack the body. Adaptive immunity is mediated by B and T lymphocytes expressing a wide variety of receptors capable of recognizing a large number of antigens.
The adaptive immune system begins with the activity of macrophages that process antigens, causing interactions with immune cells. Adaptive immune response is a specific immune response against certain antigens and is more effective in fighting infection because it has memory.
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