skeleton of birds



skeleton of birds defined in 1930 year

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.

near skeleton of birds in Knolik


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letter "S"
start from "SK"
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