Language is used during social interactions via the vocal tract that allow for communication.

Despite all this, scholars remain divided as to how 'special' the human vocal tract really is.

This sound is changed as it travels through the vocal tract.

Vowels are produced with at least a part of their vocal tract obstructed.

Here, the vocal tract is in its neutral state and creates a near perfect tube.

Their vocal tract isn't like ours, and they don't make human noises.

Children's acquisition of consonants differs both in where and how the vocal tract is closed.

Singers can also learn to project sound in certain ways so that it resonates better within their vocal tract.

The form and size of the vocal tract is of great importance to the sound colour.

If the vocal tract is large, the sound colour will be darker with more 'body' to it.