Assertion: skeletal system's bone | /r/MadeOf | red bone marrow
Facets:
value: within cancellous tissue
type: LOCATION
Source sentences:
text: The ribs, the pelvic bones, the sternum or breastbone and vertebrae, as well as the epiphyses of long bones, contain red bone marrow within cancellous tissue.
text: Long bones like the femur and humerus contain yellow marrow, whereas flat bones like the skull and ribs contain the red bone marrow.