Assertion: nervous system's nerve | /r/HasProperty | coated with a layer of fat
Facets:
Source sentences:
text: Your brain, spinal cord, and peripheral nerves are coated with a layer of fat, called myelin, which provides insulation to your nervous system.
text: Your brain, spinal cord, and peripheral nerves are coated with a layer of fat, called myelin, which provides insulation to your nervous system.