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Digestive System of a Bird (Comprises (Small intestine, Duodenum, Gizzard,…
Digestive System of a Bird
Processes
Food ingestion
Mouth has no teeth, so saliva helps soften the food.
The food breaks down.
The food passes through the oesophagus.
Food is filtered in the crop.
Enzymes break down the food further in the proventriculus.
In gizzard, acids act on the food to form chyme.
Chyme enters the small intestine.
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Comprises
Small intestine
Duodenum
Gizzard
Caeca
Proventriculus
Large intestine
Crop
Cloaca
Oesophagus
Anus
Beak/Mouth