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bugsy. Views: 1,808
Published: 17 years ago
 
This is a reply to # 33,974

My understanding


is that the skin is one of the largest excretory organs. I'm sure they would mention that in one of the Science books you are recommending.

This is in response to your quote:
"Your skin has one purpose. To keep the external environment separate from the internal environment."



Included below are some links either for or by Science teachers:


http://www.marymount.k12.ny.us/marynet/stwbwk03/03bio/excretory/ski...
http://qldscienceteachers.tripod.com/junior/biology/excretory.html
http://sln.fi.edu/biosci/systems/excretion.html

 

 
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