Assertion: adult skeleton | /r/HasProperty | classified into four groups
Facets:
value: according to shape
type: CAUSE
value: long,
type: OTHER
Source sentences:
text: The adult skeleton is composed of 206 bones and there are two basic types of osseous, or bone, tissue: compact bone and spongy bone, and are classified into four groups according to shape: long, short, flat, and irregular.