鳥類の体の構造
1. Bird anatomyBird anatomy, or the physiological structure of birds' bodies, shows many unique adaptations, mostly aiding flight. Birds have a light skeletal system and light but powerful musculature which, along with circulatory and respiratory systems capable of very high metabolic rates and oxygen supply, permit the bird to fly. The development of a beak has led to evolution of a specially adapted digestive system. These anatomical specializations have earned birds their own class in the vertebrate phylum.
Read “Bird anatomy” on English Wikipedia
Read “鳥類の体の構造” on Japanese Wikipedia
Read “Bird anatomy” on DBpedia
Read “Bird anatomy” on English Wikipedia
Read “鳥類の体の構造” on Japanese Wikipedia
Read “Bird anatomy” on DBpedia
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