Assertion: anemia's blood cell | /r/HasProperty | red blood cells
Facets:
Source sentences:
text: The bone marrow is a spongy tissue inside the bones, where all the blood cells (red blood cells, platelets, and white blood cells) are synthesized.
text: The bone marrow contains those cells that are responsible for the production of the blood cells (red blood cells, white blood cells, and platelets).