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No Saliva, No Taste?
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In this activity (4th activity on the page), learners test to see if saliva is necessary for food to have taste.
Digestive System: A Kinesthetic Lesson
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In this simulation, learners act out each digestive function of the organs, tissues, and cells in the digestive tract.
Home Molecular Genetics
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In this activity, learners extract DNA from their own cheek cells, then create a rudimentary DNA profile similar to those seen on crime scene dramas.