Assertion: lymphatic system's role | /r/HasProperty | to engulf foreign particles
Facets:
Source sentences:
text: A major role of macrophages in the innate defense system is to engulf foreign particles and rid them from the area; they also present fragments of those antigens, like signal flags, on their own surfaces, where they can be recognized by immunocompetent T cells.
text: A major role of macrophages in the innate defense system is to engulf foreign particles and rid them from the area; they also present fragments of those antigens, like signal flags, on their own surfaces, where they can be recognized by immunocompetent T cells.