Topic

Life & body

Germs, breathing, senses, plants, the body.

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ages 8–11 Why doesn't a whole town get sick at once? germsspreadhealth Discover ages 8–11 Why do you breathe faster when you run? breathingbodyoxygen Discover ages 8–11 Why does your heart beat in two thumps? heartbloodbody Discover ages 8–11 Why can't you tickle yourself? brainsensesneurons Discover ages 8–11 Why do you get dizzy after spinning? earsbalancebrain Discover