Why is that when we dive under water the water doesn’t automatically fill openings. How come the water pressure doesn’t like push our eyes in if not wearing goggles or rush into your nose completely or even our other hole down there. How come the water pressure doesn’t push the water into that hole ?
I’m sure our body has some inner pressure pushing outward but how is that enough to stop the water ?
In: Biology
Well you answered your own question. The body has internal pressure (capacity) that is far greater than the water pressure. It is mostly water after all, and the other bits like your nose have air pressure reinforced by the water of your body.
If you go deeper than 30ft or so, this equation changes and water pressure overcomes your air pressure and water can be forced in your nose, but your eyes are still water filled. There is no hole there to fill.
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