Crucigrama anatomy of the birdVersión en línea Inner body parts of the bird por Katarina Stojkovic 1 body temperature is constant 2 breathing wholes 3 stomach with stones 4 helps bird in flying 5 renal, intestinal and eggs exit 6 bird use it for eating, grooming, killing prey 7 muscular pouch along the esophagus 8 number of chamber in bird heart 7 8 6 2 3 1
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