Assertion: bone's bone marrow | /r/HasProperty | spongy tissue
Facets:
Source sentences:
text: Bone marrow is the spongy tissue found inside bones.
text: Bone marrow is the spongy material found in substantial amounts in the center of most large bones in the body.
text: Bone marrow is a spongy substance found in the center of the bones.
text: Bone marrow is the spongy or viscous tissue that fills the inside of your bones.
text: Bone marrow is the spongy tissue inside some of the bones in the body, including the hip and thigh bones.