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| Description: Adaptations for flight include: Wings covered with feathers Flight muscles connected to a large breastbone Bones with air cavities to reduce body weight Lungs with a unique system of air sacs A four-chambered heart Good eyesight and coordination Picture Stats: Views: 416 Filesize: 177.92kB Height: 536 Width: 1500 Source: https://biology-forums.com/index.php?action=gallery;sa=view;id=48035 |