Reels tagged #humanbody
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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.
Human body
Your brain burns a fifth of your energy
It is about 2% of your body weight but consumes roughly 20% of your calories and oxygen — running on around 20 watts, less than a dim light bulb.
Human body
The brain cannot feel pain
Brain tissue has no pain receptors. That is why surgeons can operate on an awake patient, asking them to talk or play guitar to make sure nothing vital is cut.
Human body
You carry about 86 billion neurons
Each one can connect to thousands of others, making roughly 100 trillion synapses — a wiring diagram no machine has yet come close to matching.