Your bones hold about 1 200 g of calcium. That’s enough to make over 300 classic chalk sticks!
Human Body - Facts for Kids

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Random Facts About Human Body For Kids
By age 2, your cerebellum has grown to about 80% of its adult size!
Your clavicle has its own supply of blood vessels that keep it healthy and strong!
Basic Information
The medical name for your digestive system is the “gastrointestinal tract” or “GI tract” for short!
The top of your humerus has special bumps called tubercles where important muscles attach!