Assertion: anemia's blood cell | /r/HasProperty | formed
Facets:
Source sentences:
text: In some cases, cancer cells or infectious disease may infiltrate the bone marrow, the soft spongy material found in long bones where blood cells are formed.
text: A small group of people have a hereditary blood condition called “sickle cell anemia,” which impacts the way red blood cells are formed and used by the body.