I believe that humans would be crushed by the ocean at depths that whales regularly dive to. I know that the pressure per square inch is very high but whales can survive, I read, because of various adaptations.

But why would their flesh not be damaged by pressures even if the pressure was equal on all sides? What about flesh that is being pressed against the skeleton?

EDIT: I have of course googled this and know about adaptions that whales, etc. have as already mentioned but what I don't get is how a piece of flesh subjected to great pressures, like a car per square inch or whatever it is at a mile underwater, is not damaged -- how individual cells are not ruptured.

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    $\begingroup$ Perhaps this fits better in Biology SE $\endgroup$
    – Alchimista
    Feb 17 '20 at 9:09
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    $\begingroup$ "What about flesh that is being pressed against the skeleton?" Do you feel crushed by the 14.7 pounds of air pressure on every square inch of your body? (I normally use metric, I only used psi in this comment because you mentioned square inches). FWIW, I think your question is ok here, but you may get more in-depth answers (pun intended) from the biologists. $\endgroup$
    – PM 2Ring
    Feb 17 '20 at 11:41
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    $\begingroup$ Did you at least try to google it? scientificamerican.com/article/how-do-deep-diving-sea-cr $\endgroup$
    – user65081
    Feb 17 '20 at 14:09
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    $\begingroup$ I'm voting to close this question as off-topic because it is asking about biology not physics. $\endgroup$ Feb 17 '20 at 20:11
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    $\begingroup$ Possible duplicate of Why the pressure of atmosphere doesn't crush you when you e.g. walk outside? $\endgroup$ Feb 17 '20 at 20:18

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