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Using body fluids in science. Can students prepare their own cheek cells for microscopy? Is there a legislation or policy for this?

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Publication Date: 20 October 2015
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Use of tears in a school practical: Hi I am asking if it is OK to use tears in a school prac? The tears are generated by a student holding an onion near their eye.

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Publication Date: 20 January 2015
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Using human tears in an experiment: Can human tears be used in an experiment in a classroom?

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Publication Date: 22 December 2014
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