During childhood, your nails become gradually thicker and stronger!
Human Body - Facts for Kids
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Random Facts About Human Body For Kids
Health & Care
Bones can heal themselves and grow back stronger — a broken bone can repair itself in about 6–8 weeks!
The average adult fingernail is only 0.5 millimeters thick – about as thin as five sheets of paper stacked together!
Your thumbnails grow the slowest of all your fingernails, but they’re usually the thickest!
The humerus grows from special areas called growth plates at both ends of the bone!