O V E R V I E W :
| On this page you
will learn about the Excretory System, which removes the unwanted materials from our body. |
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C O N T E N T S :
| The word
excretion means the removal of
waste substances from the body.
Several organs are involved with
the excretory system, including
the kidneys, sweat glands, lungs
. and rectum, The primary organs
of excretions, however, are the
kidney. Excretion is vital to the
health of the body because the
wastes are poisonous. If the
wastes build up and are not
eliminated, they can cause
serious problems. As you know ,
carbon dioxide and water vapor
are removed by the lungs. Other
wastes , namely urea, uric acid,
various salts, and assorted
nitrogenous wastes , are removed
by the kidneys and sweat glands. |
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| R E L A T E D L I N
K S : |
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