Assertion: monitor's leg | /r/HasAspect | internal bones
Facets:
value: with externally attached muscles for movement
type: OTHER
Source sentences:
text: The legs of tetrapods, the main group of terrestrial vertebrates, have internal bones, with externally attached muscles for movement, and the basic form has three key joints: the shoulder joint, the knee joint, and the ankle joint, at which the foot is attached.