these are good basic instructional videos that will clarify exactly what it is that the Vestibulart System is doing... quietly, discreetly... keeping it all together for you, 24 hours a day....

[ame=http://www.youtube.com/watch?v=mmBB2bu1gEQ&feature=related]YouTube - The Sense of Balance (2)[/ame]

[ame=http://www.youtube.com/watch?v=vTiGskc1o48&feature=related]YouTube - HEARING & Balance[/ame]

[ame=http://www.youtube.com/watch?v=BbKU0AbbARg&feature=related]YouTube - How the Body Works :The Organs of Balance[/ame]