____________________
____________________
are
crystal
-
like
structures
in
urine
that
can
be
very
painful
to
pass
.
In
a
____________________
spme
tissues
are
removed
.
The
organ
that
holds
the
____________________
before
it
is
expeled
is
the
____________________
.
Before
leaving
the
organism
,
the
urine
passes
throught
the
____________________
.
If
one
of
the
____________________
doesn't
work
there
is
a
renal
____________________
.
The
____________________
____________________
will
show
the
results
from
several
tests
.