Assertion: immune system | /r/CapableOf | mistake pet dander
Facets:
value: as a threat to the body
type: PURPOSE
Source sentences:
text: These reactions arise when the immune system mistakes a harmless substance, such as pet dander or certain food particles, as a threat to the body and attacks it.
text: These reactions arise when the immune system mistakes a harmless substance, such as pet dander or certain food particles, as a threat to the body and attacks it.