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Keywords: Endocrine
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Journal Articles
The American Biology Teacher (2012) 74 (9): 644–646.
Published: 01 November 2012
... site at http://www.ucpressjournals.com/reprintinfo.asp . 2012 Endocrine role-play negative feedback Small squares of paper with “Ca ++ ” written on them to symbolize calcium ions Poker chips to symbolize hormone molecules Signs (Kidney, Bone, Small intestine) to hang on the...