hillis2e_ch39
Provides Active Defense Against Pathogens. Web the innate immune system is made of defenses against infection that can be activated immediately once a pathogen.
Web the innate immune system is made of defenses against infection that can be activated immediately once a pathogen.
Web the innate immune system is made of defenses against infection that can be activated immediately once a pathogen. Web the innate immune system is made of defenses against infection that can be activated immediately once a pathogen.
