South Carolina Science Grade 6Chapter 7:
Mollusks, Worms, Arthropods, EchinodermsWeb Links
Leeches | | (
http://dnr.metrokc.gov/wlr/waterres/Bugs/Leeches.htm
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Gross Medicine | | (
http://teacher.scholastic.com/researchtools/articlearchives/humanbody/grossmedicine.htm
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