Sometimes your eardrum can “fix itself” if it gets a tiny hole — like medicine-free healing if the ear stays clean and dry.
Human Body - Facts for Kids
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Random Facts About Human Body For Kids
Your bones are made of about 65% hard minerals (mostly calcium and phosphorus) that give them strength, around 25–30% soft parts like collagen and living cells to keep them flexible and alive, and about 5–10% water!
Different types of cells get different numbers of mitochondria as they develop – muscle cells get lots while skin cells get fewer!
Your esophagus works best when you eat sitting up and wait a while before lying down — give it time to finish its job!
The cerebellum uses about 20% of your brain’s energy, even though it’s only 10% of its size!