Reels about Human Body
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Human Body
Bone is stronger than steel by weight
Gram for gram, human bone outperforms steel in compression — a hollow lattice design gives it strength without the weight.
Human Body
Your stomach rebuilds its own lining every few days
Stomach acid is strong enough to dissolve metal, so the lining replaces its cells every 3–4 days to avoid digesting itself.
Human Body
Your brain runs on about 20 watts
Some 86 billion neurons fire constantly, yet the whole brain uses roughly the power of a dim light bulb — while consuming a fifth of your energy.