White blood cells can remember germs they’ve fought before, like keeping a diary of bad guys to watch out for!
Human Body - Facts for Kids

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Random Facts About Human Body For Kids
Health & Care
Your humerus gets stronger when you exercise, just like muscles get stronger when you work out!
Scientists call mitochondria the "powerhouse of the cell" because they make energy from the food you eat, just like a power station makes electricity!
Your blood contains proteins (body helpers) that help heal wounds and fight inflammation (swelling)!
Eating foods rich in protein and biotin (like eggs and nuts) helps keep your nails strong!