人体骨骼

描述人体骨骼的结构和四项主要功能：支撑、保护、运动，以及在骨髓中制造血细胞。

Describe the structure and four main functions of the human skeleton: support, protection, movement, and production of blood cells in bone marrow

学习证据 / Evidence

• 列举并解释骨骼的四种功能，并举例说明
• 说出主要骨骼的名称，并指出它们保护哪些器官（例如肋骨保护心脏和肺）
• 解释什么是骨髓，以及血细胞在哪里生成

• Lists and explains the four functions of the skeleton with examples
• Names key bones and identifies which organs they protect (e.g. ribcage protects heart and lungs)
• Explains what bone marrow is and where blood cells are made

评估问题 / Assessment

如果问{{name}}我们为什么有骨骼，{{name}}能否解释骨骼不只是撑起身体，还能至少说出骨骼为身体所做的三件不同的事情？

If {{name}} was asked why we have bones, could they explain that bones do more than just hold us up — describing at least three different things the skeleton does for the body?