Keywords
chicken,organs,anatomy,Gallus gallus domesticus,Gallus,Phasianidae,Galliformes,Aves,bird,poultry,lateral,side view,digestive system,gi tract,intestine,esophagus,proventriculus,crop,gizzard,liver,pancreas,intestine,ceca,caeca,cloaca,oviduct,ovary,egg production,lung,trachea,heart,spleen,kidney,chicken organs