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What is the difference in muscularity between the crop and the gizzard?


The crop has smooth muscles while the gizzard has striated muscles.

The crop is responsible for food storage and softening. The muscles in the crop are smooth and contract rhythmically to move food along. The gizzard, on the other hand, is responsible for grinding food. The muscles in the gizzard are striated and contract more forcefully to crush and grind food.