Assertion: immune system | /r/HasProperty | activated
Facets:
value: from an evolutionary perspective
type: OTHER
Source sentences:
text: From an evolutionary perspective, the immune system may be activated to protect us from infections during socialization.
text: After the T and B lymphocytes have matured in the thymus and bone marrow, they then travel to the lymph nodes and spleen where they remain until the immune system is activated.