Skeleton - ScienceDaily: News, Videos & Articles in Science, Health, Tech

Skeleton - ScienceDaily: News, Videos & Articles in Science, Health, Tech

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日期:2026-04-17
In biology, the skeleton or skeletal system is the biological system providing physical support in living organisms. Skeletal systems are commonly divided into three types - external (an exoskeleton), internal (an endoskeleton), and fluid based (a hydrost...看更多