skeleton of birds


Значение термина skeleton of birds в knolik


skeleton of birds - Skeleton of birds
skeleton of birds - A bird's skeleton is wonderfully light and spongy in texture. It is fill of air (see Bird Lungs), but deficient in marrow. Its entire structure is pre-eminently suited to a flying creature, not only for the above reasons, but because the heaviest part (the sternum) lies in the middle, in the centre of gravity, and thus assists in preserving the balance, like Blondin's pole.

Рядом со словом skeleton of birds в knolik


the skull of birdsВ начало
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feet of birds

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