Question: When swimming (or underwater) what happensto your brain?

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  1. I’m not really sure what you are asking here, but firstly, your brain is protected from the outside world by the skull, the meninges (skin-like coverings over the brain) and the blood-brain barrier, so when you’re underwater, your brain doesn’t get yet.
    But, if you dive down too deep, your body and brain experiences a lot of pressure. SCUBA divers have to be careful not to come back up to the surface too quickly or bubbles of air can escape from their blood and give them decompression sickness-the bends.

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  2. Following from what Kristyn said, when you do scuba diving, you can be in danger of something called ‘nitrogen narcosis’ which happens because of the pressure you (and the air you breathe) is at when you’re deep underwater. Apparently it’s quite a similar feeling to being a bit drunk!!

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  3. I doesn’t get wet! 🙂 Because it’s already wet basically..

    I’m not aware of anything happening to the brain because of pressure at scuba depths (max 30m, 60 with a special gas mix). Nitrogen narcosis is kind of funny but not terribly dangerous. Going up to quickly and getting air bubbles in your blood like Kristyn says can be pretty dangerous and potentially brain damaging!

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Comments

  1. Actually I have a hole in my heart so I cant scuba dive so the pressure of being deep would make me brain dead 🙁

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