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Gizzard

Earthworm dissection to see the gizzard.

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

Rights: Sara L Roggemann, Three Flowers Photography
Published:12 June 2012Size: 36.79 KB