1. Grinding food: The gizzard is a muscular organ that helps grind down food particles, especially hard items like grains and grit, to aid in the digestion process.
2. Mechanical digestion: The gizzard uses muscular contractions to help break down food into smaller pieces, allowing for better absorption and utilization of nutrients in the digestive tract.
3. Production of enzymes: The gizzard also secretes digestive enzymes that help further breakdown food particles into smaller molecules that can be absorbed by the bird's body.
State 3 function of the gizzards in the digestive system of poultry
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