The '''gizzard''' is the mechanical “stomach” of a [[bird]]. It is located just after the true or glandular stomach in the gastrointestinal system. Since [[poultry]] have no teeth and swallow feed whole, this muscular organ, sometimes called “hen’s teeth,” mechanically grinds and mixes the [[bird]]’s feed.<ref>[http://www.fsis.usda.gov/Help/A-Z_Index/index.asp USDA Index]</ref>
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==References==
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[[Category:United States Government Word Definitions]]