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There are few reasons humans cannot live underwater.
The main reason, of course, would be that humans lack gills. The gills in fish and other underwater organisms allow the oxygen in the water to be used inside the body. Oxygen is very fundamental to our body; for it keeps us and our cells alive and functioning.
Another reason is that in salt water (the ocean), if we did have gills and consumed the water, our cells will lose all of their water because they of the hypertonic environment and they will shrivel up.
we can't live under water because our lungs don't take in water they take in air, if we don't have air in our lungs then we could not function right!
Were not fish LOL :)
Wiki User
∙ 8y ago
Agatha Kolawole
Wiki User
∙ 13y agoHere are some off-the-cuff thoughts on that, assuming you're still human. Pros: ...
Agatha Kolawole
We can't breath in water because the oxygen is bound with two hydrogen atoms, and we cannot breath the resulting water. The oxygen is useless at this form.
Thank you hope it was
Wiki User
∙ 15y agowe would have to have gills
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