AI Constitution

Resources · Learning tool

Education Concept Tracker

A prerequisite knowledge graph of 1590 learning concepts across 8subjects. Track what you've mastered and see exactly what you're ready to learn next — the topics whose prerequisites you've already met. Built on the Marble Open Skill Taxonomy.

Sign in to track your progress and get personalized recommendations. You can browse freely below.

Knowledge-graph map

Computing
Mastered Ready to learn LockedHover a node for its description · click to open
← Back

Skeletons & Muscles

Science · Organisms & Life Processes · conceptual

Identify that humans and some other animals have skeletons and muscles for support, protection, and movement

What mastery looks like

  • Name the three functions of the skeleton: support, protection, movement
  • Identify that muscles are attached to bones and pull to create movement
  • Give examples of bones protecting organs (skull protects brain, ribs protect heart and lungs)

Check your understanding

Can Skeletons & Muscles explain why we have a skeleton inside our body and what our muscles do when we bend an arm?