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Imagine yourself relaxing.
Your brain
controls
your breath
automatically.
In...Out...
In...Out
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The air has oxygen
and other chemicals.
But it also carries
dust, tiny animals,
and other stuff.
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Some of
this stuff is
clinging to
the hairs of
your nose.
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Let's see what's
hiding inside
your nose.
Warning: This
could get messy!
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