Your body has a bone is not connected with any other. Thanks to her, you can say

This small U-shaped bone is among the muscles of the neck. It looks small, it serves a very important purpose: it is the presence of the hyoid bone allows us to talk. It supports language and raises the larynx during speech and swallowing. This bone is, in other animals, but humans are the only species that has the location of the hyoid bone allows it to work together with the tongue and throat to form a wide variety of different sounds.

Small bones in your ear (called the hammer, anvil and stirrup), not linked to the rest of the skeletal system, but they are tied to each other. These bones are necessary to convert the vibrations of the eardrum to the inner ear so that we can perceive it as a sound vibration.

via factroom.ru