题目详情

简述学前儿童骨骼的特点。

正确答案及解析

正确答案
解析

(1)骨膜比较厚;

(2)全是红骨髓;

(3)有机物多、无机盐少,柔韧性大而强度低,容易弯曲变形

(4)骨在不断生长,骨化未完成

(5)关节灵活性好,牢固性差

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