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Birds-2 - ulna carpo-metacarpals(hand bones 2 nd finger...

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Birds - Structure and Function 2 upper and lower manbibles Adaptations to flight The vertebrae of the back fused together and fused to pelvis; gives rigidity to skeleton during flight. Deep ‘keel’ to sternum allows attachment of powerful flight muscles. Hollow bones reduce weight. Note. Wings are not an adaptation to flight; they are essential for flight neck vertebrae (flexible neck) ear skull humerus radius and
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Unformatted text preview: ulna carpo-metacarpals (hand bones) 2 nd finger pelvis coracoid keel sternum rib femur tibio-tarsus foot bones fused (metatarsus) toe clavicle (wishbone) Skeleton of bird humerus radius ulna carpals (wrist bones) carpo-metacarpals (hand bones) 2 nd finger ligament secondary flight feathers scapula forms ball joint with scapula primary flight feathers Wing structure © D.G. Mackean...
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