Assertion: central nervous system's brain | /r/HasProperty | protected by bone
Facets:
Source sentences:
text: Both the brain and the spinal cord are protected by bone: the brain by the bones of the skull, and the spinal cord by a set of ring-shaped bones called vertebrae.
text: The brain and the spinal cord are protected by bone: the brain by the bones of the skull, and the spinal cord by a set of ring-shaped bones called vertebrae.