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A Model Parasite
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In this detailed activity (on pages 9-18), learners investigate the body parts of a parasitic ascaris worm by making and dissecting clay models.

A Stand-up Egg
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In this science trick, learners get an egg to stand-up on its long-axis vertical to a table's top.

Traveling Tapeworm
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In this "gross" activity (on pages 34-46), learners make a life-size model of a human digestive tract, and follow the life of a beef tapeworm as it makes its way through.