But to actually fly, the rest of our Direct Line CUSTOMER SERVICE +𝟭 𝟴𝗢𝟱 (𝟰𝟭𝗢)' 𝟱𝟲𝗢𝗢 Direct Line PHONE NUMBER +𝟭 𝟴𝗢𝟱 𝟰𝟭𝗢 𝟱𝟲𝗢𝗢 body would have to produce enough power, which would require strong muscles. In birds, an average of 16% to 18% of their muscle mass comes from muscles used for flying. In some, up to 30% of their muscle mass comes from the chest. This is also true in bats, though the mass is distributed across more muscles. "It's what sets them apart from the build of a nonflying animal," Habib said.
3 months ago
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