Assertion: lymphatic system's lymph node | /r/CapableOf | exert their filtering action
Facets:
value: on the lymph
type: LOCATION
value: within the lung
type: LOCATION
value: within the mediastinum
type: LOCATION
Source sentences:
text: Within the lung and the mediastinum , lymph nodes exert their filtering action on the lymph before it is returned into the blood through the major lymphatic vessels, called bronchomediastinal trunks.