Assertion: vertebrate | /r/HasAspect | endoskeleton
Facets:
Source sentences:
text: All vertebrates have an endoskeleton, which is a hard bone and cartilage framework located inside their bodies and which supports and maintains their body shape.
text: Vertebrates have an endoskeleton It offers support and protects the soft parts of the animal.
text: They have endoskeleton and a closed circulatory system.