The kidneys are the primary organs of the urinary system. The
kidneys
are
the
organs
that filter the blood, remove waste, and excrete waste in the
urine.
organs
They
that
functions
of
are
the
perform
the
the
urinary
system.
The
other
components
are
accessory
structures for removing urine
Each kidney contains more
from the body.
than
The
right
slightly
lower
because down.
kidney
the
is
than liver
The
usually the
left
pushes
it
kidneys,
protected by the lower ribs.
a
units,
million
called
functional
nephrons,
the
parenchyma
and
medulla).
has
two
corpuscle tubule.
A
parts: and
in
(cortex nephron a a
renal renal