Skull wiki:
l, or cranium, is a bony structure of Craniates which serves as the general framework for a head. The skull supports the structures of the face and protects the brain against injury.
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Stone wiki:
[yle="font-weight:bold;">Stone can refer to any of the following: A rock. See also stone skipping, curling.As a verb, to stone, a method of execution using rocks, stoning.A gemstone, as used in jewelry.A stone is a unit of weight equal to fourteen pounds.The hard covering enclosing the seed of a drupe such as a peach.As a verb, the intoxicating effects of cannabis, as in to be stoned.Stone, a Finnish heavy metal band.A calculus"The Stones" is an informal term for the British rock band The Rolling Stones."Stones" was the name of an early album by Psychadelic Percussion featuring the Moog synthesizer.
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