Human BodyBrain
Your brain cannot feel pain.
It has no pain receptors — surgeons operate on it while patients chat with them.
Source
This fact is written from the English Wikipedia article it links to, so you can check every word in one tap. Fact Drop rates that source 4 out of 5 for credibility, and the rating travels with the fact on the back of its card in the app.
More human body facts
Human body facts about the one you are sitting in. Roughly 8% of your DNA came from ancient viruses, you almost certainly have mites living on your face, and a newborn can breathe and swallow at the same time. Every fact links to the reference behind it.
- Damage to one side of the brain can erase the concept of the opposite side of space.
- Immune cells prune your brain. They eat synapses whole.
- Your brain burns about a fifth of your energy, and concentrating hard barely moves the number.
- You became you by deletion. Billions of connections cut.
- You forget almost every dream within minutes.
- Your brain runs on less power than a fridge bulb.