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Urea
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Contents
Key Stage 3
Meaning
Urea
is a
mixture
of
Nitrogen
compounds
formed when the body breaks down unwanted
proteins
.
Key Stage 4
Meaning
Urea
is a
mixture
of
Nitrogen
compounds
formed when the body breaks down unwanted
proteins
.
About Urea
Urea
is made in the
liver
. The
liver
breaks down
proteins
first
producing
ammonia
which is then quickly turned into
urea
.
Urea
passes through the
blood
and is removed by the
kidneys
. This forms
urine
which is then stored in the
bladder
.