The hyoid bone, which supports the tongue and its muscles, is the only freestanding bone in the human body.
(The hyoid bone; supports; the tongue and its muscles) (The hyoid bone, which supports the tongue and its muscles; is; the only freestanding bone in the human body)
The hyoid bone The hyoid bone, which supports the tongue and its muscles
supports is
the tongue and its muscles
the only freestanding bone in the human body