Assertion: immune system | /r/CapableOf | respond to antigen
Facets:
value: quickly
type: MANNER
Source sentences:
text: Immunologic memory: Once the immune system has recognized and responded to an antigen, a second encounter with the same antigen induces a heightened state of immune reactivity.
text: By completing the four sleep cycles, you're supporting the release and creation of cytokine, a multifaceted protein that helps the immune system quickly respond to antigens," Breus says.