Assertion: mollusk's shell | /r/CapableOf | cover the viscera
Facets:
Source sentences:
text: Most gastropods have a single shell that covers the viscera and is coiled in some manner.
text: Most of these species have the body covered by the mantle, thin, easily dilatable membrane that secretes the conchiolin, shell-forming substance or external protective skeleton that has defensive function, this shell can also be internal, protecting the viscera, the animals that lack it present, as alternatives, unique methods of defense, among which are included the cripsis or camouflage in the environment and the chemical defenses .