Which of the following bones is the only bone in the body that is not in contact with another bone?

Ethmoid bone

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Atlas

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Hyoid bone

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Floating ribs

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Solution

The correct option is C Hyoid bone
The hyoid bone is found in the neck and acts as a point of attachment of several muscles in the head and neck. The hyoid bone is unique in the sense that it is the only bone in the body that is not attached to another bone.
So, the correct option is 'Hyoid bone'.

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