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3BHow Your Hearing Works
was giving your brain the signal that you were still spinning, when in
fact, you had stopped.
Let’s take a closer look at what happens in the inner ear with regards to
balance to get a better understanding of the importance of this function.
The utricle and saccule determine the position of your head all the time,
every moment of your day. As you turn your head from side to side,
these two fluid filled cavities send signals to the rest of your body to
adjust and adapt to the changes. We are designed to keep the head in
line with the body, and these two do the work. They contain not only
fluid, but also tiny hairs that are suspended in a jelly like substance as
well as crystals or chalky substances that interacts with the hairs in the
utricle and saccule. These crystals get pushed up against the hairs that
are dependent on the movement perceived by the inner ear.
The three semi-circular canals serve much the same purpose, but they
sense movement, rather than the head position. They are in
perpendicular position to each other so that they are able to detect all
types of movements, and send the necessary signals to the brain to
maintain balance throughout the body. They also contain hair cells that
act in response to the movement, and generate the information that is
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