Assertion: lymphatic system's role | /r/HasProperty | vital
Facets:
Source sentences:
text: It works together closely with the blood-producing (haematopoietic) system in the bone marrow, thereby playing a vital role in immune responses to protect the body from various pathogens.
text: The lymphatic system plays a vital role as one of the organ systems of the body.
text: The lymphatic system also plays a vital role in immunity by providing a defensive network against pathogens .