Assertion: shark | /r/HasAspect | a covering of dermal denticles
Facets:
value: to protect their skin
type: PURPOSE
Source sentences:
text: Sharks have a covering of dermal denticles that protects their skin from damage and parasites in addition to improving their fluid dynamics.
text: Sharks have a covering of dermal denticles (small outgrowths which cover the skin) to protect their skin from damage, parasites and to improve fluid dynamics.