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  • Earthworm dissection to see the gizzard.
    Rights: Sara L Roggemann, Three Flowers Photography Published 12 June 2012 Size: 37 KB Referencing Hub media

    Earthworms do not have teeth, so they use the strong muscles of the gizzard (and grains of sand and soil) to grind up their food.

    Acknowledgement: Sara L Roggemann, Three Flowers Photography

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