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Your Body's Framework

Why Your Skeleton Matters

The Four Jobs of Your Skeleton

Explore the Skeleton in 3D

Quick Check: Bones & Their Jobs

Explore the human skeleton in interactive 3D — what bones do, the major parts, and a hands-on 3D explorer with a scored quiz.

Meet the 206 bones that hold you up, keep you safe, and let you move. In this module you'll explore a real human skeleton in interactive 3D, then prove what you've learned.

The Skeletal System

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