Assertion: immune system's response | /r/CapableOf | remember large number of pathogens
Facets:
Source sentences:
text: For the acquired response to "remember" and eliminate a large number of pathogens the immune system must be able to distinguish between many different antigens, and the receptors that recognize antigens must be produced in a huge variety of configurations, in essence one receptor (at least) for each different pathogen that might ever be encountered.